Carcinoma, Small CellGranulosa Cell TumorGiant Cell Tumor of BoneSmall Cell Lung CarcinomaGiant Cell TumorsNeoplasms, Germ Cell and EmbryonalGranular Cell TumorTesticular NeoplasmsSertoli Cell TumorLung NeoplasmsLeydig Cell TumorGerminomaTumor Markers, BiologicalSeminomaSertoli-Leydig Cell TumorCell Line, TumorEndodermal Sinus TumorAdenoma, Islet CellTumor BurdenTumor Necrosis Factor-alphaCarcinoid TumorImmunohistochemistryNeoplasms, ExperimentalBone NeoplasmsOvarian NeoplasmsSarcoma, Small CellGenes, Tumor SuppressorTeratomaMediastinal NeoplasmsEtoposideDog DiseasesNeuroendocrine TumorsWilms TumorBrain NeoplasmsAdenocarcinomaMastocytomaTumor Suppressor Protein p53Retroperitoneal NeoplasmsDesmoplastic Small Round Cell TumorAntigens, NeoplasmCisplatinNeoplasm StagingAntineoplastic Combined Chemotherapy ProtocolsTumor Suppressor ProteinsNeoplasm MetastasisCarcinoma, NeuroendocrineCombined Modality TherapyDNA, NeoplasmTransplantation, HeterologousNeoplasm ProteinsMast-Cell SarcomaCell DivisionSex Cord-Gonadal Stromal TumorsSkin NeoplasmsTreatment OutcomeNeoplasms, Multiple PrimaryNeoplasm Recurrence, LocalAntibodies, MonoclonalKidney NeoplasmsRetrospective StudiesCarcinoma, Squamous CellCarcinoma, Non-Small-Cell LungPrognosisPhosphopyruvate HydrataseRNA, MessengerCarcinoma, EmbryonalPancreatic NeoplasmsCell ProliferationTomography, X-Ray ComputedTumor MicroenvironmentNeoplasmsProto-Oncogene Proteins c-kitMice, Inbred BALB CNeovascularization, PathologicAntineoplastic AgentsCurettageGene Expression Regulation, NeoplasticMice, NudeFatal OutcomeImmunoenzyme TechniquesReverse Transcriptase Polymerase Chain ReactionTumor Cells, CulturedTime FactorsXenograft Model Antitumor AssaysPerivascular Epithelioid Cell NeoplasmsMammary Neoplasms, ExperimentalGastrin-Releasing PeptideLiver NeoplasmsCell Transformation, NeoplasticCell LineNeuroectodermal Tumors, Primitive, PeripheralSurvival RateGastrointestinal Stromal TumorsEpithelioid CellsPlasmacytomaNeoplasm TransplantationParaneoplastic SyndromesMutationAbdominal NeoplasmsSignal Transduction