non-rhabdomyosarcomatous soft tissue sarcomas ( 123/238 = 51.7 % ) were synovial sarcomas ( 20 = 8.4 % ) , fibrosarcomas including spindle cell sarcoma ( 17 = 7.4 % ) , leiomyosarcomas ( 12 = 5.0 % ) , malignant tumors of the vascular system ( 11 = 4.6 % ) and neurofibrosarcomas ( 9 = 3.8 % ) .
C0016057
fibrosarcomas
C0206729
neurofibrosarcomas