LeiomyosarcomaVascular NeoplasmsUterine NeoplasmsSarcomaSoft Tissue NeoplasmsSmooth Muscle TumorLeiomyomaVena Cava, InferiorGenital Neoplasms, MaleTumor Markers, BiologicalRetroperitoneal NeoplasmsMuscle NeoplasmsHeart NeoplasmsNeoplasm MetastasisMesenchymomaNeoplasms, Vascular TissueCell Line, TumorImmunohistochemistryTumor BurdenSpermatic CordLiposarcomaNeoplasms, Multiple PrimaryNeoplasm Recurrence, LocalTomography, X-Ray ComputedSkull NeoplasmsRenal VeinsGastrointestinal Stromal TumorsFatal OutcomeLiver NeoplasmsTumor Necrosis Factor-alphaNeoplasm StagingPrognosisLung NeoplasmsJejunal NeoplasmsSkin NeoplasmsLymphatic MetastasisHistiocytoma, Malignant FibrousTreatment OutcomeTumor Suppressor Protein p53RetinoblastomaBone NeoplasmsGenes, Tumor SuppressorGene Expression Regulation, NeoplasticNeoplasms, ExperimentalEsophagostomy