Diagnoses included RMS (n = 8; five alveolar and three embryonal), EWS (n = 5), clear cell sarcoma (n = 1), CIC Fusion with Double-Homeobox (DUX) Transcription Factors (CIC-DUX) fusion-transcript-positive sarcoma (n = 1), undifferentiated sarcoma (n = 1), and DSRCT (n = 1). This evidence concerns the gene EWSR1 and undifferentiated (embryonal) sarcoma.