SeminomaGastrointestinal Stromal TumorsSex Cord-Gonadal Stromal TumorsSertoli Cell TumorTesticular NeoplasmsGranulosa Cell TumorStromal CellsProto-Oncogene Proteins c-kitDysgerminomaGastrointestinal NeoplasmsBenzamidesThecomaPiperazinesPyrimidinesReceptor, Platelet-Derived Growth Factor alphaOvarian NeoplasmsSpinal CordCalbindin 2Fibrous Dysplasia, MonostoticUterine NeoplasmsTumor Markers, BiologicalNeprilysinImmunohistochemistryNeoplasms, Germ Cell and EmbryonalMicroscopy, ElectronSpinal Cord InjuriesVimentinAntineoplastic AgentsEndometrial Stromal TumorsOrchiectomyS100 Calcium Binding Protein GMesenchymomaMART-1 AntigenNeoplasms, Multiple PrimaryRetroperitoneal NeoplasmsSarcoma, Endometrial StromalNephroma, MesoblasticTumor BurdenCell Line, TumorDuodenal NeoplasmsTomography, X-Ray ComputedMutationMediastinal NeoplasmsMitotic IndexNeoplasms, Connective TissuePyrrolesJejunal NeoplasmsEpithelioid CellsTumor Necrosis Factor-alphaTreatment OutcomeLeiomyosarcomaStomach NeoplasmsIleal NeoplasmsSex FactorsPrognosisIntestinal NeoplasmsNeoplasm StagingUmbilical CordSex CharacteristicsRetrospective StudiesMesonephromaCell ProliferationIndolesCombined Modality TherapyNeoplasm MetastasisDisease-Free SurvivalAntigens, CD34Protein Kinase InhibitorsGerminomaTime FactorsCarcinoid TumorSarcomaNeoplasms, Complex and MixedCarney ComplexDNA Mutational AnalysisWilms TumorLeiomyomaBleomycinNeoplasm Recurrence, LocalMicroscopy, Electron, ScanningTeratomaDisease ProgressionNeurofibromatosis 1Neoplasms, ExperimentalReverse Transcriptase Polymerase Chain ReactionGenes, Tumor SuppressorTumor MicroenvironmentGenital Neoplasms, MaleRNA, MessengerDigestive System Surgical ProceduresAdenocarcinomaGastrectomyNeoplasm ProteinsMesenchymal Stromal CellsFollow-Up StudiesTumor Suppressor Protein p53Gene Expression Regulation, NeoplasticCisplatinCells, CulturedSex