embryonal rhabdomyosarcomaListen to pronunciation(em-BRY-uh-nul RAB-doh-MY-oh-sar-KOH-muh)A soft tissue tumor that is most common in infants and young children. It begins in muscles, usually in the head, neck, or genitourinary tract. Also called ERMS.Search NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#