“…The pleomorphic form is typically more frequent in adults and has a poor prognosis [1,2] . RMSs are solid tumors that are common in children, representing 5% of all childhood cancers [1,2,3,4] . In contrast, RMSs are rare in adults, with soft-tissue sarcomas making up fewer than 1% of malignancies in adults and RMSs accounting for 3% of all soft tissue sarcomas [1] .…”