Myxoma of the kidney.
D006801:Humans; D007680:Kidney Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009232:Myxoma / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D014567:Urography