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        <ManagementAndGeneralAmt>134</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>1732</ProgramServicesAmt>
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        <ProgramServicesAmt>1240</ProgramServicesAmt>
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        <ProgramServicesAmt>127515</ProgramServicesAmt>
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        <FundraisingAmt>44409</FundraisingAmt>
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        <EOYAmt>907952</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>5739</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>913691</EOYAmt>
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        <EOYAmt>24188</EOYAmt>
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        <EOYAmt>68100</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>92288</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
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        <EOYAmt>821403</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
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        <EOYAmt>821403</EOYAmt>
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        <EOYAmt>913691</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>84902</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>5524</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>0</FSAuditedInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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        <CurrentTaxYearMinus3YearsAmt>228000</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>251177</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>266000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>234000</CurrentTaxYearAmt>
        <TotalAmt>1165177</TotalAmt>
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      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>186000</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>228000</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>251177</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>266000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>234000</CurrentTaxYearAmt>
        <TotalAmt>1165177</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>513198</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>651979</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>22</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>5858</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1294</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>7210</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>9099</CurrentTaxYearAmt>
        <TotalAmt>23483</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearAmt>55</CurrentTaxYearAmt>
        <TotalAmt>55</TotalAmt>
      </OtherIncome170Grp>
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      <GrossReceiptsRltdActivitiesAmt>84900</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.54850</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.54780</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
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    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
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    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>EDUCATION AWARD FOR ALLIED HEALTH PROFESSIONALS</GrantTypeTxt>
        <RecipientCnt>14</RecipientCnt>
        <CashGrantAmt>28000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>PRESIDENTIAL AWARDS</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>161</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT MONITOR THE USE OF AWARDS. ALL APPLICATIONS WILL BE REVIEWED BY A SUBCOMMITTEE OF MEMBERS FROM THE RMOS BOARD OF DIRECTOR. AWARDS ARE PROVIDED TO SUPPORT THE PROFESSIONAL DEVELOPMENT OF RMOS ASSOCIATE MEMBERS. AWARDS CAN BE APPLIED TO THE ATTENDANCE OF AN OFFICIAL ASCO DIRECT HIGHLIGHTS CONFERENCE OR OTHER APPLICABLE MEETING OF THE RECIPIENT'S CHOOSING; INCLUDING BUT NOT LIMITED TO: THE AMERICAN SOCIETY OF HEMATOLOGY, ONCOLOGY NURSING SOCIETY, OR ASSOCIATION OF COMMUNITY CANCER CENTERS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DELEGATED CONTROL OVER THE MANAGEMENT DUTIES TO THE ASSOCIATION OF COMMUNITY CANCER CENTERS (ACCC). PRIOR TO SIGNING THE AGREEMENT, AN INDEPENDENT COMPARISON OF THE MANAGEMENT FEE WAS CONDUCTED AND APPROVAL OF THE MANAGEMENT FIRM'S FEE WAS OBTAINED FROM ALL BOARD MEMBERS. THE DECISION TO SIGN THE AGREEMENT WAS DOCUMENTED IN THE ORGANIZATION'S BOARD MEETING MINUTES. THE TOTAL AMOUNT PAID TO ACCC DURING 2023 WAS $92,700.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS GROUP AND INDIVIDUAL MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS MEMBERS WHO MAY ELECT ONE OR MORE MEMBERS OF THE GOVERNING BODY. THE ELECTION OF OFFICERS OCCURS EVERY OTHER YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGES TO BY-LAWS MUST BE APPROVED BY MEMBERSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 WAS PREPARED BY THE OUTSIDE ACCOUNTANTS AND REVIEWED BY THE PRESIDENT AND BOARD MEMBERS. A COPY OF THE 990 WAS PROVIDED TO THE ENTIRE BOARD PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ELECTED BOARD MEMBERS SIGN THE CONFLICT OF INTEREST FORM ANNUALLY. IF THE BOARD HAS REASONABLE CAUSE TO BELIEVE A MEMBER HAS FAILED TO DISCLOSE AN ACTUAL OR POSSIBLE CONFLICT OF INTEREST, THE BOARD GIVES THE MEMBER THE OPPORTUNITY TO EXPLAIN THE ALLEGED FAILURE TO DISCLOSE. IF AFTER FUTURE INVESTIGATION, THE BOARD DETERMINES THAT A FAILURE TO DISCLOSE HAS OCCURRED, IT TAKES APPROPRIATE DISCIPLINARY AND CORRECTIVE ACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ROCKY MOUNTAIN ONCOLOGY SOCIETY MAINTAINS ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AT ITS MANAGEMENT OFFICE IN ROCKVILLE, MARYLAND. THESE DOCUMENTS ARE MADE AVAILABLE TO THE GENERAL PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
