Congenital urethral polyp.
D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011127:Polyps / Q000151:congenital* / Q000175:diagnosis; D014463:Ultrasonography; D014523:Urethral Neoplasms / Q000151:congenital* / Q000175:diagnosis; D014567:Urography