SarcomaSarcoma, EwingSarcoma, SynovialSarcoma, KaposiAvian Sarcoma VirusesSarcoma, ExperimentalSarcoma 180Sarcoma Viruses, MurineSoft Tissue NeoplasmsSarcoma, Endometrial StromalSarcoma, AvianNeoplasm GradingHistiocytic SarcomaSarcoma, MyeloidSarcoma, Clear CellPrognosisImmunohistochemistrySarcoma, YoshidaKirsten murine sarcoma virusBrain NeoplasmsGliomaBone NeoplasmsNeoplasm StagingAstrocytomaMoloney murine sarcoma virusLeiomyosarcomaPrecancerous ConditionsSarcoma Viruses, FelineLymphoma, Non-HodgkinTumor Markers, BiologicalCervical Intraepithelial NeoplasiaBarrett EsophagusUterine Cervical NeoplasmsBiopsyTreatment OutcomeRetrospective StudiesProstatic Intraepithelial NeoplasiaRous sarcoma virusNeoplasm Recurrence, LocalOsteosarcomaLiposarcomaCarcinoma in SituEsophagoscopyAdenocarcinomaUrinary Bladder NeoplasmsCell Transformation, NeoplasticProstatic NeoplasmsKi-67 AntigenVaginal SmearsNeoplasm InvasivenessSarcoma, Alveolar Soft PartRNA-Binding Protein EWSFollow-Up StudiesSurvival RateColposcopySurvival AnalysisCombined Modality TherapyDisease ProgressionBreast NeoplasmsHerpesvirus 8, HumanNeoplasm ProteinsRetroperitoneal NeoplasmsAlpharetrovirusImmunoenzyme TechniquesCarcinoma, Transitional CellAntineoplastic Combined Chemotherapy ProtocolsGene Expression Regulation, NeoplasticUterine Cervical DysplasiaCell Transformation, ViralProto-Oncogene Protein c-fli-1Harvey murine sarcoma virusHemangiosarcomaPapillomaviridaeEndometrial NeoplasmsDisease-Free SurvivalTime FactorsCystadenocarcinoma, SerousRhabdomyosarcomaGammaretrovirusPapillomavirus InfectionsCervix UteriGlioblastomaConizationLymphoma, B-Cell, Marginal ZoneHistiocytoma, Malignant FibrousDoxorubicinCarcinomaTumor Suppressor Protein p53Mitotic IndexLymphomaCarcinoma, MucoepidermoidKaplan-Meier EstimateDNA, NeoplasmStomach NeoplasmsOvarian NeoplasmsSensitivity and SpecificityTumor Virus InfectionsSupratentorial NeoplasmsOncogene Proteins, FusionCell Line, Tumor