1. Histologic diagnosis of rhabdomyosarcoma, liposarcoma, leiomyosarcoma, malignant fibrous histiocytoma, angiosarcoma, fibrosarcoma, malignant hemangiopericytoma, desmoplastic small round cell tumor, epitheloid sarcoma, clear cell sarcoma, synovial sarcoma, extraskeletal chondrosarcoma, alveolar soft part sarcoma, sarcoma not otherwise specified, malignant peripheral nerve sheath tumor, osteogenic sarcoma, Ewing's sarcoma/PPNET