Sarcoma, SynovialSarcomaAdenocarcinoma, Clear CellSarcoma, Clear CellSarcoma, EwingSoft Tissue NeoplasmsSarcoma, KaposiAvian Sarcoma VirusesSarcoma, ExperimentalSarcoma 180Kidney NeoplasmsOncogene Proteins, FusionCarcinoma, Renal CellSarcoma Viruses, MurineNeoplasms, Connective TissueChromosomes, Human, Pair 18Sarcoma, AvianTranslocation, GeneticImmunohistochemistryHistiocytic SarcomaPeripheral Nervous System NeoplasmsSarcoma, MyeloidLeiomyosarcomaBone NeoplasmsSarcoma, Endometrial StromalSarcoma, YoshidaKirsten murine sarcoma virusTumor Markers, BiologicalVon Hippel-Lindau Tumor Suppressor ProteinMesocestoidesSarcoma Viruses, FelineHistiocytoma, Benign FibrousChromosomes, Human, XReverse Transcriptase Polymerase Chain ReactionPrognosisRous sarcoma virusNeoplasm ProteinsVascular NeoplasmsRNA-Binding Protein EWSNerve Sheath NeoplasmsRhabdomyosarcomaGene Expression Regulation, NeoplasticVimentinIn Situ Hybridization, FluorescencePharyngeal NeoplasmsCarcinoma, EndometrioidKeratinsRetroperitoneal NeoplasmsOvarian NeoplasmsHyalinIfosfamideSarcoma, Alveolar Soft PartNeuroectodermal TumorsX ChromosomeParaffin EmbeddingCell Line, TumorOsteosarcomaTissue Array AnalysisRepressor ProteinsTomography, X-Ray ComputedNeoplasms, Connective and Soft TissueHerpesvirus 8, HumanAlpharetrovirusMediastinal NeoplasmsCell Transformation, ViralProto-Oncogene Protein c-fli-1Intensive Care, NeonatalHarvey murine sarcoma virusHMGA ProteinsPeriodic Acid-Schiff ReactionNeoplasm Recurrence, LocalPleural NeoplasmsExtremitiesMesenchymomaAntigens, NeoplasmProto-Oncogene ProteinsCell Transformation, NeoplasticNeoplasm StagingGammaretrovirusHospital Communication SystemsHeart NeoplasmsHistocytochemistry