Benign ureteral polyps.
D000368:Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D011127:Polyps / Q000473:pathology*; D014515:Ureteral Diseases / Q000473:pathology*; D014517:Ureteral Obstruction / Q000209:etiology; D014567:Urography