Bladder diverticulum.
D004240:Diverticulum / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D001745:Urinary Bladder Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology