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        <InvestmentEarningsOrLossesAmt>4611</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>305010</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>298412</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>1987</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>300399</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>307008</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>3404</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>12000</OtherExpendituresAmt>
        <EndYearBalanceAmt>298412</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.00000</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.95040</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.04960</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>135666</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>127288</DepreciationAmt>
        <BookValueAmt>8378</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>207947</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>195203</DepreciationAmt>
        <BookValueAmt>12744</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>609701</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>606389</DepreciationAmt>
        <BookValueAmt>3312</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>24434</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>9987403</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>23962</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>208986</DonatedServicesAndUseFcltsAmt>
      <OtherRevenueAmt>1687747</OtherRevenueAmt>
      <RevenueNotReportedAmt>1920695</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>8066708</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>2387</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>2387</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>8069095</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>9139890</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>208986</DonatedServicesUseFcltsAmt>
      <OtherExpensesIncludedAmt>1687747</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>1896733</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>7243157</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>2387</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>2387</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>7245544</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS PERMANENTLY RESTRICTED NET ASSETS IN WHICH THE PRINCIPAL AND ANY CURRENT CONTRIBUTIONS ARE PERMANENTLY RESTRICTED. THE BALANCE AS OF DECEMBER 31, 2016 WAS INVESTED IN BOND FUNDS. INCOME AND APPRECIATION EARNED ON THE PERMANENTLY RESTRICTED NET ASSETS ARE RESTRICTED TO SUPPORT THE COSTS OF PRODUCING AND DISTRIBUTING THE ESSENTIAL GUIDE TO BRAIN TUMORS. THIS PUBLICATION IS CURRENTLY BEING UPDATED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION ACCOUNTS FOR UNCERTAINTY IN INCOME TAXES IN ACCORDANCE WITH ASC TOPIC, INCOME TAXES. THIS STANDARD CLARIFIES THE ACCOUNTING FOR UNCERTAINTY IN TAX POSITIONS AND PRESCRIBES A RECOGNITION THRESHOLD AND MEASUREMENT ATTRIBUTE FOR THE CONSOLIDATED FINANCIAL STATEMENTS REGARDING A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN. THE ORGANIZATION HAS DETERMINED THAT THERE ARE NO UNCERTAIN TAX POSITIONS WHICH QUALIFY FOR EITHER RECOGNITION OR DISCLOSURE IN THE CONSOLIDATED FINANCIAL STATEMENTS AT DECEMBER 31, 2016.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECT FUNDRAISING EXPENSES SHOWN NET ON STATEMENT OF REVENUE IN FORM 990.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECT FUNDRAISING EXPENSES SHOWN NET ON STATEMENT OF REVENUE IN FORM 990.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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      <FundraisingEventInformationGrp>
        <Event1Nm>WALK - RACE FOR HOPE - PA</Event1Nm>
        <GrossReceiptsEvent1Amt>835397</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>835397</CharitableContriEvent1Amt>
        <OtherDirectExpensesEvent1Amt>121572</OtherDirectExpensesEvent1Amt>
        <Event2Nm>WALK - RACE FOR HOPE - DC</Event2Nm>
        <GrossReceiptsEvent2Amt>1039578</GrossReceiptsEvent2Amt>
        <CharitableContriEvent2Amt>1039578</CharitableContriEvent2Amt>
        <OtherDirectExpensesEvent2Amt>62476</OtherDirectExpensesEvent2Amt>
        <OtherEventsTotalCnt>36</OtherEventsTotalCnt>
        <GrossReceiptsOtherEventsAmt>5105755</GrossReceiptsOtherEventsAmt>
        <CharitableContriOtherEventsAmt>5105755</CharitableContriOtherEventsAmt>
        <OthDirectExpnssOtherEventsAmt>1503699</OthDirectExpnssOtherEventsAmt>
        <GrossReceiptsTotalAmt>6980730</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>6980730</CharitableContributionsTotAmt>
        <OthDirectExpnssTotalEventsAmt>1687747</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>1687747</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-1687747</NetIncomeSummaryAmt>
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      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
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          <BusinessNameLine1Txt>MEMORIAL SLOAN KETTERING CANCER CENTER</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>633 THIRD AVE 285TH FLOOR</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10017</ZIPCd>
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        <RecipientEIN>131924236</RecipientEIN>
        <IRCSectionDesc>501 (C) 3</IRCSectionDesc>
        <CashGrantAmt>500000</CashGrantAmt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LUDWIG INSTITUTE FOR CANCER RESEARCH</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>666 THIRD AVENUE 28TH FLOOR</AddressLine1Txt>
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          <ZIPCd>10017</ZIPCd>
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        <RecipientEIN>237121131</RecipientEIN>
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      <RecipientTable>
        <RecipientBusinessName>
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          <AddressLine1Txt>3333 CALIFORNIA STREET - SUITE 315</AddressLine1Txt>
          <CityNm>SAN FRANCISCO</CityNm>
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        <IRCSectionDesc>501 (C) 3</IRCSectionDesc>
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      <RecipientTable>
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          <BusinessNameLine1Txt>UNIVERSITY OF TEXAS MD ANDERSON CENTER</BusinessNameLine1Txt>
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          <CityNm>HOUSTON</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
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        <RecipientEIN>741587488</RecipientEIN>
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      <RecipientTable>
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        <RecipientEIN>560532129</RecipientEIN>
        <IRCSectionDesc>501 (C) 3</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MAYO CLINIC</BusinessNameLine1Txt>
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          <AddressLine1Txt>200 FIRST STREET SW</AddressLine1Txt>
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          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55905</ZIPCd>
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        <RecipientEIN>416011702</RecipientEIN>
        <IRCSectionDesc>501 (C) 3</IRCSectionDesc>
        <CashGrantAmt>300000</CashGrantAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>DANA-FARBER CANCER INSTITUTE</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>450 BROOKLINE AVE</AddressLine1Txt>
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          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
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        <RecipientEIN>042263040</RecipientEIN>
        <IRCSectionDesc>501 (C) 3</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UC LOS ANGELES</BusinessNameLine1Txt>
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        <RecipientEIN>956006143</RecipientEIN>
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      <RecipientTable>
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        <RecipientEIN>060646973</RecipientEIN>
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      <RecipientTable>
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        <RecipientEIN>941156365</RecipientEIN>
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        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE V FOUNDATION FOR CANCER RESEARCH</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>14600 WESTERN PARKWAY</AddressLine1Txt>
          <CityNm>CARY</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>27513</ZIPCd>
        </USAddress>
        <RecipientEIN>133705951</RecipientEIN>
        <IRCSectionDesc>501 (C) 3</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>14</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE NATIONAL BRAIN TUMOR SOCIETY (NBTS) REQUIRES, AS A CONDITION OF THE GRANT, SCIENTIFIC REVIEW, THE PRODUCTION OF SCIENTIFIC AND FINANCIAL REPORTS ON AN ANNUAL BASIS, AND REGULAR TELECONFERENCES WITH RESEARCHERS TO DETERMINE USE OF GRANT FUNDS AND PERFORMANCE.</ExplanationTxt>
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      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
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        <BaseCompensationFilingOrgAmt>171067</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>188476</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <TransactionDesc>NATIONAL BRAIN TUMOR SOCIETY PAID THE LAW FIRM THAT SCOTT MEMMOT IS A PARTNER AT $102,307 DURING 2016. SCOTT IS A FORMER BOARD MEMBER OF NATIONAL BRAIN TUMOR SOCIETY.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE FEDERAL FORM 990 IS EMAILED TO THE FULL BOARD OF DIRECTORS FOR REVIEW AND COMMENT PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD REQUIRES THAT ALL MEMBERS CONDUCT AN ANNUAL REVIEW FOR ANY CONFLICTS OF INTEREST AND SHOULD ANY ARISE, THAT THEY BE DISCLOSED TO THE BOARD AND MANAGEMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMMITTEE OF THE BOARD DETERMINES THE CEO'S SALARY. COMPARABILITY FIGURES REPRESENTING COMPARABLE POSITIONS, SCOPE OF RESPONSIBILITY, SIZE OF ORGANIZATION AND BUDGET AND SIMILAR INDUSTRY WERE PROVIDED TO THE EXECUTIVE COMMITTEE. IN REGARD TO OTHER OFFICERS AND KEY EMPLOYEES, THE HR MANAGER REVIEWS COMPARABLE DATA FOR JOB RESPONSIBILITIES AND REVIEWS WITH THE CEO TO VERIFY COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCIAL STATEMENTS ARE AVAILABLE ON THE SOCIETY'S WEBSITE. ALL OTHER DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCE COMMITTEE IS RESPONSIBLE FOR OVERSIGHT AND SELECTION OF THE INDEPENDENT AUDITOR.</ExplanationTxt>
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        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <TotalIncomeAmt>0</TotalIncomeAmt>
        <EndOfYearAssetsAmt>0</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NATIONAL BRAIN TUMOR SOCIETY INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>PEDIATRIC CANCER CURE LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>55 CHAPEL STREET SUITE 200</AddressLine1Txt>
          <CityNm>NEWTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02458</ZIPCd>
        </USAddress>
        <EIN>472233672</EIN>
        <PrimaryActivitiesTxt>PEDIATRIC BRAIN TUMOR RESEARCH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <TotalIncomeAmt>0</TotalIncomeAmt>
        <EndOfYearAssetsAmt>0</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NATIONAL BRAIN TUMOR SOCIETY INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>