diverticulectomy

例句：

1. 1. The patient underwent a diverticulectomy to treat his chronic constipation.
   患者接受了一次外科手术来治疗他的慢性便秘。
2. 2. The surgeon performed a diverticulectomy on the patient's colon.
   外科医生在患者的结肠上进行了一次外科切除术。
3. 3. The procedure was successful and the patient recovered quickly after the diverticulectomy.
   这次手术非常成功，患者在进行外科切除术后很快就康复了。