Genital Neoplasms, MaleGastrointestinal Stromal TumorsSex Cord-Gonadal Stromal TumorsStromal CellsProto-Oncogene Proteins c-kitGastrointestinal NeoplasmsBenzamidesPiperazinesPyrimidinesGranulosa Cell TumorSertoli Cell TumorReceptor, Platelet-Derived Growth Factor alphaOvarian NeoplasmsThecomaTumor Markers, BiologicalImmunohistochemistryMitotic IndexEndometrial Stromal TumorsMesenchymomaAntineoplastic AgentsCell Line, TumorSpinal CordCalbindin 2Sarcoma, Endometrial StromalNephroma, MesoblasticTumor BurdenUterine NeoplasmsNeoplasms, Multiple PrimaryStomach NeoplasmsDuodenal NeoplasmsMutationTomography, X-Ray ComputedFibrous Dysplasia, MonostoticNeoplasms, Connective TissuePyrrolesJejunal NeoplasmsEpithelioid CellsPrognosisTumor Necrosis Factor-alphaLeiomyosarcomaIleal NeoplasmsVimentinNeprilysinCarcinoid TumorLeiomyomaNeoplasm MetastasisIntestinal NeoplasmsTreatment OutcomeCystadenomaAdenocarcinomaDNA Mutational AnalysisCell ProliferationSmooth Muscle TumorSpinal Cord InjuriesIndolesKi-67 AntigenDisease Progression