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        <PersonNm>NADJA KADOM</PersonNm>
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        <PersonNm>JORGE SOTO</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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        <PersonNm>GARY WHITMAN</PersonNm>
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        <OfficerInd>X</OfficerInd>
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        <PersonNm>NOEL MONTESA</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SUSAN CAPPITELLI</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>LINDA THOMAS</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN FINNEY</PersonNm>
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        <PersonNm>ROBERT HORNE</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>KERRY DAVIS</PersonNm>
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        <PersonNm>RACHEL MOORE</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>LINDA BRADSHAW</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SAMANTHA SCHULZ</PersonNm>
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        <ContractorAddress>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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      <TotalOthProgramServiceRevGrp>
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      <InvestmentIncomeGrp>
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      <NetGainOrLossInvestmentsGrp>
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        <ProgramServicesAmt>50827</ProgramServicesAmt>
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      <FeesForServicesAccountingGrp>
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        <ManagementAndGeneralAmt>95517</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>48852</ManagementAndGeneralAmt>
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        <EOYAmt>756708</EOYAmt>
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        <EOYAmt>903671</EOYAmt>
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        <EOYAmt>31809</EOYAmt>
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        <EOYAmt>19440</EOYAmt>
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        <EOYAmt>318458</EOYAmt>
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        <EOYAmt>33343913</EOYAmt>
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        <EOYAmt>36633845</EOYAmt>
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        <EOYAmt>450412</EOYAmt>
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        <EOYAmt>4851164</EOYAmt>
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        <EOYAmt>31782681</EOYAmt>
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        <EOYAmt>36633845</EOYAmt>
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        <PersonNm>ROBERT HORNE</PersonNm>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMMITTEE DETERMINES OFFICER COMPENSATION BASED ON SURVEYS OF SIMILAR ORGANIZATIONS. THE EXECUTIVE DIRECTOR HAS AN EMPLOYMENT CONTRACT.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S MEMBERS ARE AS FOLLOWS. THESE MEMBERS ARE ELIGIBLE TO PARTICIPATE IN ALL ARRS ACTIVITIES, INCLUDING HOLDING ELECTIVE OFFICE AND HAVING FULL VOTING PRIVILEGES. ACTIVE MEMBERS: INDIVIDUALS IN THE PRACTICE OF RADIOLOGY, RADIATION ONCOLOGY OR NUCLEAR MEDICINE IN NORTH AMERICA INCLUDING UNITED STATES TERRITORIES WHO ARE MEDICAL SCHOOL GRADUATES THAT HAVE COMPLETED A RADIOLOGY RESIDENCY PROGRAM. ASSOCIATE MEMBERS: INDIVIDUALS IN THE PRACTICE OF RADIOLOGY-RELATED SCIENCES AND ALLIED HEALTH PROFESSIONALS IN NORTH AMERICA INCLUDING UNITED STATES TERRITORIES. INTERNATIONAL MEMBERS: INDIVIDUALS RESIDING OUTSIDE OF NORTH AMERICA OR UNITED STATES TERRITORIES WHO OTHERWISE FULFILL THE CRITERIA FOR ACTIVE OR ASSOCIATE MEMBERSHIP OR POSSESS THEIR COUNTRY'S EQUIVALENT QUALIFICATION. IN-TRAINING MEMBERS: RESIDENTS OR FELLOWS IN RADIOLOGY, RADIATION ONCOLOGY OR NUCLEAR MEDICINE PROGRAM OR A STUDENT IN A MEDICAL SCHOOL OR RADIOLOGY-RELATED SCIENCE OR ALLIED SCIENCE PROGRAM IN NORTH AMERICAN OR UNITED STATES TERRITORIES. INTERNATIONAL IN-TRAINING MEMBERS: RESIDENTS OR FELLOWS IN RADIOLOGY, RADIATION ONCOLOGY OR NUCLEAR MEDICINE PROGRAM OR A STUDENT IN A MEDICAL SCHOOL OR RADIOLOGY-RELATED SCIENCE OR ALLIED SCIENCE PROGRAM OUTSIDE NORTH AMERICA OR UNITED STATES TERRITORIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS FROM ELIGIBLE CLASSES OF MEMBERSHIP WHO ARE IN GOOD STANDING ARE ENTITLED TO VOTE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS FROM ELIGIBLE CLASSES OF MEMBERSHIP MUST APPROVE CHANGES TO THE BYLAWS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY THE SENIOR DIRECTOR OF FINANCE AND ADMINISTRATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS A FORMAL PROCESS THAT REQUIRES BOARD MEMBERS TO DISCLOSE IN WRITING ANY CONFLICTS OF INTEREST ON AN ANNUAL BASIS. BOARD MEMBERS ARE ALSO ASKED TO UPDATE THE DOCUMENT AT EACH MEETING AND TO VERBALLY DISCLOSE ANY POTENTIAL CONFLICTS BEFORE EACH MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMMITTEE DETERMINES STAFF AND OFFICER COMPENSATION BASED ON SURVEYS OF SIMILAR ORGANIZATIONS. THE EXECUTIVE DIRECTOR HAS AN EMPLOYMENT CONTRACT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FEDERAL FORMS 990 AND 990-T ARE AVAILABLE UPON REQUEST. THE FEDERAL FORM 990 IS ALSO AVAILABLE ON THE GUIDESTAR WEB SITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING DOCUMENTS, CONFLICT OF INTEREST STATEMENT AND FINANCIAL STATEMENTS ARE PROVIDED UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 12, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S BOARD OF DIRECTORS APPROVES THE AUDITOR ON RECOMMENDATION OF THE BUDGET AND FINANCE COMMITTEE, AND REVIEWS THE RESULTS OF THE AUDIT. THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
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</Return>