Adult Alveolar Soft-part SarcomaAdult AngiosarcomaAdult Epithelioid SarcomaAdult Extraskeletal ChondrosarcomaAdult Extraskeletal OsteosarcomaAdult FibrosarcomaAdult LeiomyosarcomaAdult LiposarcomaAdult Malignant Fibrous HistiocytomaAdult Malignant HemangiopericytomaAdult Malignant MesenchymomaAdult NeurofibrosarcomaAdult RhabdomyosarcomaAdult Synovial SarcomaGastrointestinal Stromal TumorMetastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal TumorRecurrent Adult Soft Tissue SarcomaRecurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal TumorStage III Adult Soft Tissue SarcomaStage IV Adult Soft Tissue Sarcoma