coelitis

例句：

1. 1. The patient was diagnosed with acute peritonitis.
   患者被诊断出患有急性腹膜炎。
2. 2. The surgery was complicated by a case of peritonitis.
   手术因腹膜炎而变得复杂。
3. 3. The patient recovered after successful treatment of the peritonitis.
   经过成功的治疗，患者恢复了健康。