憩室

例句：

1. 1. The patient had a large appendix removed, which resulted in the development of a peptic ulcer.
   患者接受了阑尾切除手术，结果发展成了胃溃疡。
2. 2. The patient's condition worsened after surgery, and he was diagnosed with peptic ulcerdisease.
   手术后，患者的病情恶化，被诊断出患有胃溃疡病。
3. 3. The doctor recommended that the patient take proton pump inhibitors to prevent future pepticulcers.
   医生建议患者服用质子泵抑制剂来预防未来的胃溃疡。