Kaposi's sarcoma at the base of cutaneous horn.
D000368:Aged; D006801:Humans; D008297:Male; D012514:Sarcoma, Kaposi / Q000175:diagnosis* / Q000473:pathology; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000473:pathology; D014860:Warts / Q000175:diagnosis