MYC and Ewing sarcoma: However, previous studies have shown that in certain subtypes of sarcomas (both BSs and STSs), such as Rhabdomyosarcoma, osteosarcoma, synovial sarcoma, Malignant Rhabdoid Tumor, Leiomyosarcoma, Ewing’s sarcoma, liposarcomas, and Atypical Teratoid/Rhabdoid tumor, MYC is frequently amplified (Figure 5).