title: Balloon-dilatation of lower ureter to facilitate cystoscopic extraction of large ureteral calculi.
mesh_terms: D000328:Adult; D003558:Cystoscopy / Q000379:methods; D004106:Dilatation / Q000295:instrumentation* / Q000379:methods; D006801:Humans; D008297:Male; D008875:Middle Aged; D010388:Pelvis / Q000000981:diagnostic imaging; D011859:Radiography; D014513:Ureter / Q000000981:diagnostic imaging / Q000503:physiopathology; D014514:Ureteral Calculi / Q000628:therapy*; D014517:Ureteral Obstruction / Q000628:therapy