Intramuscular myxomas.
D000009:Abdominal Muscles; D000368:Aged; D005260:Female; D006258:Head and Neck Neoplasms; D006801:Humans; D007866:Leg; D008297:Male; D008875:Middle Aged; D009135:Muscular Diseases / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D009232:Myxoma / Q000175:diagnosis / Q000473:pathology / Q000601:surgery