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      <Form990PartVIISectionAGrp>
        <BusinessName>
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      <ContractorCompensationGrp>
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      <ContractorCompensationGrp>
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      <ContractorCompensationGrp>
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          </USAddress>
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      <MembershipDuesAmt>14669628</MembershipDuesAmt>
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      <RelatedOrganizationsAmt>0</RelatedOrganizationsAmt>
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      <NoncashContributionsAmt>9395</NoncashContributionsAmt>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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      <OtherExpensesGrp>
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      <OtherExpensesGrp>
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      <OtherExpensesGrp>
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        <DepreciationAmt>8753006</DepreciationAmt>
        <BookValueAmt>3258910</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>1921311</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>1758067</DepreciationAmt>
        <BookValueAmt>163244</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>21431931</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>ALTERNATIVE INVESTMENTS</Desc>
        <BookValueAmt>10193184</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>RIGHT OF USE ASSETS</Desc>
        <BookValueAmt>840300</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>11033484</TotalBookValueOtherAssetsAmt>
      <FederalIncomeTaxLiabilityAmt>342500</FederalIncomeTaxLiabilityAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>State Income Tax</Desc>
        <Amt>155000</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Lease Security Deposits</Desc>
        <Amt>24300</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Accrued Retirement Benefits</Desc>
        <Amt>399067</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Operating Lease Liab</Desc>
        <Amt>855896</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>1776763</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>72254013</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>7848958</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>174569</OtherRevenueAmt>
      <RevenueNotReportedAmt>8023527</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>64230486</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>461153</InvestmentExpensesNotIncldAmt>
      <OtherRevenuesNotIncludedAmt>0</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>461153</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>64691639</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>64102779</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>174569</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>174569</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>63928210</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>461153</InvestmentExpensesNotIncld2Amt>
      <OtherExpensesNotIncludedAmt>0</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>461153</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>64389363</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part X, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS RECEIVED A DETERMINATION LETTER FROM THE INTERNAL REVENUE SERVICE INDICATING THAT IT IS A TAX-EXEMPT ORGANIZATION UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE (CODE); HOWEVER, THE SOCIETY IS LIABLE FOR FEDERAL AND STATE INCOME TAXES ON ADVERTISING INCOME UNRELATED TO ITS EXEMPT PURPOSE PURSUANT TO SECTION 501(A) OF THE CODE. INCOME TAXES ARE IMPOSED ON ADVERTISING INCOME ONLY IF THE RELATED PUBLICATIONS PRODUCE OVERALL NET INCOME. THE BASE UPON WHICH ANY TAX IS COMPUTED IS CONFINED TO THE AMOUNT OF SUCH NET TAXABLE INCOME, WHICH VARIES FROM THE INCREASE IN NET ASSETS REFLECTED IN THE FINANCIAL STATEMENTS AS ONLY REVENUE AND EXPENSES RELATED TO THE ADVERTISING WITHIN THE PUBLICATIONS ARE CONSIDERED. THE SOCIETY RECOGNIZES THE FINANCIAL STATEMENT IMPACT OF A TAX POSITION WHEN IT IS MORE LIKELY THAN NOT THAT THE POSITION WILL BE SUSTAINED UPON EXAMINATION.(PAGE 18 OF AFS)</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part IV, Line 2b Explanation of escrow agreement</FormAndLineReferenceDesc>
        <ExplanationTxt>HARRY FISCHER FUND AND SCARD INNOVATION AND TRANSFORMATION FUND RESOURCES ARE CONSIDERED ASSETS HELD ON BEHALF OF OTHERS AND ARE THEREFORE REFLECTED IN THE FINANCIAL STATEMENTS AS AN ASSET AND A LIABILITY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part V, Line 4 Intended uses of endowment funds</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ENDOWMENT FUNDS ARE USED FOR THE RESEARCH AND EDUCATION FOUNDATION WHICH SUPPORTS RESEARCH AND EDUCATION IN RADIOLOGY AND RELATED SCIENTIFIC DISCIPLINES BY AWARDING SCHOLARSHIPS AND OTHER GRANTS TO INDIVIDUALS AND OTHER ORGANIZATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part XI, Line 2(d) Other revenues in audited financial statements not in form 990</FormAndLineReferenceDesc>
        <ExplanationTxt>RENTAL EXPENSE - 174569</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part XII, Line 2(d) Other expenses in audited financial statements not in form 990</FormAndLineReferenceDesc>
        <ExplanationTxt>RENTAL EXPENSE - 174569</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="IRS990ScheduleF" softwareId="23017437" softwareVersionNum="2023v6.0">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Central America and the Caribbean</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Investments</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>2814033</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>North America (Canada &amp; Mexico only)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>267830</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>South America</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>143278</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>90564</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>39459</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Europe (Including Iceland and Greenland)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>15046</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Russia and Neighboring States</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>1305</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Middle East and North Africa</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>1000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>South Asia</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>1000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>3373515</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>3373515</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
        <CashGrantAmt>21981</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>North America (Canada &amp; Mexico only)</RegionTxt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
        <CashGrantAmt>21000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
        <CashGrantAmt>22693</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>3</Total501c3OrgCnt>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL/AWARD STIPEND</TypeOfAssistanceTxt>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <RecipientCnt>16</RecipientCnt>
        <CashGrantAmt>17478</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL/AWARD STIPEND</TypeOfAssistanceTxt>
        <RegionTxt>Europe (Including Iceland and Greenland)</RegionTxt>
        <RecipientCnt>11</RecipientCnt>
        <CashGrantAmt>15046</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL/AWARD STIPEND</TypeOfAssistanceTxt>
        <RegionTxt>Middle East and North Africa</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL/AWARD AND RESEARCH GRANT</TypeOfAssistanceTxt>
        <RegionTxt>North America (Canada &amp; Mexico only)</RegionTxt>
        <RecipientCnt>13</RecipientCnt>
        <CashGrantAmt>246830</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL/AWARD STIPEND</TypeOfAssistanceTxt>
        <RegionTxt>Russia and Neighboring States</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1305</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL/AWARD AND RESEARCH GRANT</TypeOfAssistanceTxt>
        <RegionTxt>South America</RegionTxt>
        <RecipientCnt>17</RecipientCnt>
        <CashGrantAmt>139188</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL/AWARD STIPEND</TypeOfAssistanceTxt>
        <RegionTxt>South Asia</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL/AWARD STIPEND/EDUCATION</TypeOfAssistanceTxt>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <RecipientCnt>21</RecipientCnt>
        <CashGrantAmt>67871</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <TransferToForeignCorpInd>true</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>true</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>true</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>true</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part I, Line 2 Procedures for monitoring use of grant funds</FormAndLineReferenceDesc>
        <ExplanationTxt>GRANTS ARE AWARDED TO ANY PERSON, AT ANY LEVEL OF CAREER DEVELOPMENT, AFFILIATED WITH A RADIOLOGY DEPARTMENT. APPLICANT MUST BE MEMBER OF ONE OR MORE OF SPONSORING ORGANIZATIONS. APPLICANT CAN NOT BE AGENT OF ANY FOR-PROFIT, COMMERCIAL COMPANY. APPLICANT MAY NOT SUBMIT MORE THAN ONE GRANT APPLICATION PER YEAR. STUDY SECTION OF PHYSICIANS AND SCIENTISTS WITH EXPERTISE IN AREAS OF GRANT REVIEW APPLICATION FOR SCIENTIFIC MERIT AND APPROPRIATENESS FOR FUNDING. DECISIONS MADE BY RAAS COLLABORATIVE, BASED ON STUDY SECTION SCORES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part I, Line 3 Method used to account for expenditures on org's financial statements</FormAndLineReferenceDesc>
        <ExplanationTxt>CENTRAL AMERICA AND THE CARIBBEAN-Accrual; EAST ASIA AND THE PACIFIC-Accrual; EUROPE (INCLUDING ICELAND AND GREENLAND)-Accrual; MIDDLE EAST AND NORTH AFRICA-Accrual; NORTH AMERICA (CANADA &amp; MEXICO ONLY)-Accrual; RUSSIA AND NEIGHBORING STATES-Accrual; SOUTH AMERICA-Accrual; SOUTH ASIA-Accrual; SUB-SAHARAN AFRICA-Accrual</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part II, Line 1 Method used to account for expenditures on org's financial statements</FormAndLineReferenceDesc>
        <ExplanationTxt>EAST ASIA AND THE PACIFIC-Accrual; NORTH AMERICA (CANADA &amp; MEXICO ONLY)-Accrual; SUB-SAHARAN AFRICA-Accrual</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part III Method used to account for expenditures on org's financial statements</FormAndLineReferenceDesc>
        <ExplanationTxt>EAST ASIA AND THE PACIFIC -Accrual EUROPE (INCLUDING ICELAND AND GREENLAND) -Accrual MIDDLE EAST AND NORTH AFRICA -Accrual NORTH AMERICA (CANADA &amp; MEXICO ONLY) -Accrual RUSSIA AND NEIGHBORING STATES -Accrual SOUTH AMERICA -Accrual SOUTH ASIA -Accrual SUB-SAHARAN AFRICA -Accrual</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="IRS990ScheduleI" softwareId="23017437" softwareVersionNum="2023v6.0">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>FOUNDATION FOR THE NAT'L INSTITUES OF HEALTH</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1445 NEW YORK AVE NW</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20005</ZIPCd>
        </USAddress>
        <RecipientEIN>521986675</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>5000</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>INTERNATIONAL SOCIETY OF RADIOLOGY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1892 PRESTON WHITE DRIVE</AddressLine1Txt>
          <CityNm>RESTON</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>201914326</ZIPCd>
        </USAddress>
        <RecipientEIN>541609762</RecipientEIN>
        <IRCSectionDesc>501C6</IRCSectionDesc>
        <CashGrantAmt>8164</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>ICRU</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>7910 WOODMONT AVE SUITE 400</AddressLine1Txt>
          <CityNm>BETHESDA</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>20814</ZIPCd>
        </USAddress>
        <RecipientEIN>521685712</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>SIIM</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>19440 GOLF VISTA PLAZA SUITE 330</AddressLine1Txt>
          <CityNm>LEESBURG</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>20176</ZIPCd>
        </USAddress>
        <RecipientEIN>232480304</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>ASSOCIATION OF AMERICAN</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>655 K STREET NW SUITE 100</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>200012399</ZIPCd>
        </USAddress>
        <RecipientEIN>362169124</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>10420</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>AMERICAN COLLEGE OF RADIOLOGY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1891 PRESTON WHITE DRIVE</AddressLine1Txt>
          <CityNm>RESTON</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>20191</ZIPCd>
        </USAddress>
        <RecipientEIN>362261602</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>IHE INTERNATIONAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>401 CHARMANY DRIVE</AddressLine1Txt>
          <CityNm>MADISON</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>53713</ZIPCd>
        </USAddress>
        <RecipientEIN>272815816</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NATIONAL COUNCIL ON RADIATION PROTECTION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>7910 WOODMONT AVE SUITE 400</AddressLine1Txt>
          <CityNm>BETHESDA</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>208143095</ZIPCd>
        </USAddress>
        <RecipientEIN>520806696</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NATIONAL ACADEMY OF SCIENCES</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>2101 CONSTITUTION AVE NW</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20418</ZIPCd>
        </USAddress>
        <RecipientEIN>530196932</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>AMERICAN ASSOC OF PHYSICISTS IN MEDICINE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1631 PRINCE STREET</AddressLine1Txt>
          <CityNm>ALEXANDRIA</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>22314</ZIPCd>
        </USAddress>
        <RecipientEIN>237057224</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>70000</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE ACADEMY FOR RADIOLOGY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1001 CONNECTICUT AVE NW SUITE 601</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20036</ZIPCd>
        </USAddress>
        <RecipientEIN>561914139</RecipientEIN>
        <IRCSectionDesc>501C6</IRCSectionDesc>
        <CashGrantAmt>165000</CashGrantAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>9</Total501c3OrgCnt>
      <TotalOtherOrgCnt>2</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>MEDICAL GRANT</GrantTypeTxt>
        <RecipientCnt>129</RecipientCnt>
        <CashGrantAmt>3840696</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>TRAVEL STIPEND</GrantTypeTxt>
        <RecipientCnt>110</RecipientCnt>
        <CashGrantAmt>174383</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule I, Part I, Line 2 Procedures for monitoring use of grant funds.</FormAndLineReferenceDesc>
        <ExplanationTxt>GRANTS ARE AWARDED TO ANY PERSON, AT ANY LEVEL OF CAREER DEVELOPMENT, AFFILIATED WITH A RADIOLOGY DEPARTMENT. APPLICANT MUST BE MEMBER OF ONE OR MORE OF SPONSORING ORGANIZATIONS. APPLICANT CAN NOT BE AGENT OF ANY FOR-PROFIT, COMMERCIAL COMPANY. APPLICANT MAY NOT SUBMIT MORE THAN ONE GRANT APPLICATION PER YEAR. STUDY SECTION OF PHYSICIANS AND SCIENTISTS WITH EXPERTISE IN AREAS OF GRANT REVIEW APPLICATION FOR SCIENTIFIC MERIT AND APPROPRIATENESS FOR FUNDING. DECISIONS MADE BY RAAS COLLABORATIVE, BASED ON STUDY SECTION SCORES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
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      <TravelForCompanionsInd>X</TravelForCompanionsInd>
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      <WrittenPolicyRefTAndEExpnssInd>true</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>true</SubstantiationRequiredInd>
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      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
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      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
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          <BusinessNameLine1Txt>MARK G WATSON</BusinessNameLine1Txt>
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        <DeferredCompensationFlngOrgAmt>45894</DeferredCompensationFlngOrgAmt>
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        <TotalCompensationFilingOrgAmt>359236</TotalCompensationFilingOrgAmt>
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          <BusinessNameLine1Txt>JENNIFER MICHALEK</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>SAM MILLER</BusinessNameLine1Txt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS TRAVEL FIRST CLASS FOR BOARD MEETINGS ONLY. REIMBURSED COMPANION TRAVEL AND ASSOCIATED GROSS-UP ARE REPORTED ON A 1099-MISC ANNUALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="23017437" softwareVersionNum="2023v6.0">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 1a Material differences in voting rights</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS TWO CLASSES OF MEMBERS, VOTING AND NONVOTING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 6 Classes of members or stockholders</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ACTIVE MEMBERS ARE NORTH AMERICAN AND NON-NORTH AMERICAN RADIOLOGISTS, STUDENTS, AND TRAINING MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7a Members or stockholders electing members of governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>RSNA OFFICERS AND MEMBERS OF THE BOARD OF DIRECTORS ARE ELECTED BY A MAJORITY VOTE OF ACTIVE MEMBERS PRESENT AND VOTING AT THE BUSINESS SESSION HELD AT THE ANNUAL MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>AFTER COMPLETION BY THE ORGANIZATION'S ACCOUNTING FIRM, THE FORM 990 IS SENT TO EACH MEMBER OF THE BOARD OF DIRECTORS FOR THEIR QUESTIONS AND COMMENTS PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c Conflict of interest policy</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERS OF THE BOARD OF DIRECTORS, COMMITTEE CHAIRS, AND TRUSTEES ARE REQUIRED TO SIGN A CONFLICT OF INTEREST POLICY BEFORE THEY ARE ALLOWED TO PARTICIPATE IN ANY ACTIVITY. IF AN INDIVIDUAL HAS A CONFLICT OF INTEREST, THEY WILL RECUSE THEMSELVES FROM THAT ACTIVITY. BOARD MEMBERS ALSO COMPLETE A CONFLICT OF INTEREST QUESTIONNAIRE YEARLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a Process to establish compensation of top management official</FormAndLineReferenceDesc>
        <ExplanationTxt>BENCHMARKING DATA IS PROVIDED TO THE BOARD OF DIRECTORS ALONG WITH SUGGESTIONS FOR SALARY INCREASES FOR EMPLOYEES ON AN ANNUAL BASIS. THE BOARD OF DIRECTORS MAKE THE FINAL DECISION. THIS WAS LAST DONE IN MARCH OF 2024.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b Process to establish compensation of other employees</FormAndLineReferenceDesc>
        <ExplanationTxt>BENCHMARKING DATA IS PROVIDED TO THE BOARD OF DIRECTORS ALONG WITH SUGGESTIONS FOR SALARY INCREASES FOR EMPLOYEES ON AN ANNUAL BASIS. THE BOARD OF DIRECTORS MAKE THE FINAL DECISION. THIS WAS LAST DONE IN MARCH OF 2024.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING DOCUMENTS, POLICIES, AND FINANCIAL STATEMENTS ARE KEPT ON FILE AND ARE AVAILABLE AT THE ORGANIZATION'S OFFICES. THE FINANCIAL STATEMENTS ARE PUBLISHED IN AN ANNUAL REPORT AND ARE AVAILABLE ON THE ORGANIZATION'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part I, Line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>INVESTMENTS CONSIST OF VARIOUS INTERESTS IN FOREIGN PARTNERSHIPS HELD WITHIN THE ORGANIZATION'S INVESTMENT PORTFOLIO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, SECTION A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION SHOWN ON PART VII, SECTION A LINES FOURTEEN THROUGH TWENTY-ONE REPRESENTS EXPENSE REIMBURSEMENTS AND NOT COMPENSATION FOR SERVICES. TRUSTEES ARE GIVEN THE RIGHT TO APPROVE THE DISTRIBUTION OF SCHOLARSHIPS TO INDIVIDUALS AND ORGANIZATIONS. THIS IS THE ONLY MATTER THEY ARE ALLOWED TO APPROVE AND THUS ARE NOT LISTED ON FORM 990, PART VII. THE TRUSTEES FOR FISCAL YEAR ENDING JUNE 30, 2024 ARE THE FOLLOWING: SATOSHI MINOSHIMA, MD, PHD REGINALD F. MUNDEN, MD, DMD MICHAEL J. BARBER LORI L. BARR, MD MICHAEL S. GEE, MD, PHD MARTA E. HEILBRUN, MD PHAN T. HUYNH, MD BONNIE N. JOE, MD, PHD PAMELA K. WOODARD, MD BRUCE G. HAFFTY, MD</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>