Epithelioid sarcoma.
D000293:Adolescent; D004428:Ear Neoplasms / Q000473:pathology*; D004431:Ear, External / Q000473:pathology*; D006801:Humans; D008297:Male; D011379:Prognosis; D012509:Sarcoma / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*