urethrostomy

例句：

1. 1. The patient underwent a urethrostomy to relieve his urinary incontinence.
   患者接受了尿道成形术以缓解他的尿失禁。
2. 2. Urethrostomy is often performed during surgery to repair damaged ureters.
   在手术中，尿道成形术常被用来修复受损的输尿管。
3. 3. The doctor advised the patient to undergo urethrostomy if his condition worsened.
   如果病情恶化，医生建议患者接受尿道成形术。