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        <FormAndLineReferenceDesc>Part X : FIN48 Footnote</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization is exempt from income tax under Section 501(c)(3) of the Internal Revenue Code and is classified as other than a private foundation. Management has reviewed all tax positions recognized in previously filed tax returns and those expected to be taken in future tax returns. As of December 31, 2019, the Organization had no amounts related to unrecognized income tax benefits and no amounts related to accrued interest and penalties. The Organization does not anticipate any significant changes to unrecognized income tax benefits over the next year.</ExplanationTxt>
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        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>2000</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>FEATURED NEW INVESTIGATOR AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1500</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>ORAL ABSTRACT</GrantTypeTxt>
        <RecipientCnt>12</RecipientCnt>
        <CashGrantAmt>6100</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Speaker Honorarium</GrantTypeTxt>
        <RecipientCnt>9</RecipientCnt>
        <CashGrantAmt>3500</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Metabolism Club</GrantTypeTxt>
        <RecipientCnt>3</RecipientCnt>
        <CashGrantAmt>2000</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Cardiology/Pulmonary Club</GrantTypeTxt>
        <RecipientCnt>3</RecipientCnt>
        <CashGrantAmt>2000</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Speaker Hickam Lecture</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1500</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Grantmaker's Description of How Grants are Used</FormAndLineReferenceDesc>
        <ExplanationTxt>CSCTR has an Awards Committee consisting of the President-Elect and four committee members. The Awards Committee is responsible for determining the size of grants and awards to be offered at the combined Annual Meeting. The Awards Committee meets in June via conference call to determine these awards and reports back to the Planning Committee and Council.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="19009920" softwareVersionNum="2019v5.0">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, Line 4d: Other Program Services Description</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER PROGRAM SERVICES 4: Other program services: Membership Dues &amp; Subscriptions</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 3: Description of Delegated Duties to Management Company</FormAndLineReferenceDesc>
        <ExplanationTxt>CSCTR contracts with Executive Director Inc. (A for-profit Management Company) to provide office facilities, management, record keeping, accounting, storage, other significant services, plus related overhead costs.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 6: Explanation of Classes of Members or Shareholder</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization has members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7a: How Members or Shareholders Elect Governing Body</FormAndLineReferenceDesc>
        <ExplanationTxt>Members elect the board of directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7b: Describe Decisions of Governing Body Approval by Members or Shareholders</FormAndLineReferenceDesc>
        <ExplanationTxt>All bylaw changes have to be approved by the membership.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b: Form 990 Review Process</FormAndLineReferenceDesc>
        <ExplanationTxt>After the Form 990 is completed, it is made available to the entire Board of Directors and reviewed in-depth by the Finance/Audit Committee of the Organization. After a recommendation to the Board by this committee, an Officer of the Organization signs the 990 before it is filed.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c: Explanation of Monitoring and Enforcement of Conflicts</FormAndLineReferenceDesc>
        <ExplanationTxt>A conflict of interest statement is distributed to each officer, Councilor, and staff member prior to the April Council meeting each year and must be submitted at that meeting for a subsequent review by the Executive Committee of the Council. All questions as to whether a conflict of interest exists shall be resolved by a voteof the Council in which the interested individual may not vote.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a: Compensation Review &amp; Approval Process - CEO, Top Management</FormAndLineReferenceDesc>
        <ExplanationTxt>CSCTR is managed by Executive Director Incorporated, a for-profit management company. CSCTR has no official employees, because all staff assigned to CSCTR are employees of the management company.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b: Compensation Review and Approval Process for Officers and Key Employees</FormAndLineReferenceDesc>
        <ExplanationTxt>A stipend of $5000 is awarded to the Secretary Treasurer each year. This amount has not changed since the inception of the stipend.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</FormAndLineReferenceDesc>
        <ExplanationTxt>CSCTR's 990 is available to the public upon request. CSCTR's policies are either posted on the website and those that are not posted are available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>