tracheal diverticulum

例句：

1. 1.The patient had a tracheal diverticulum that required surgery to correct.
   患者有一个气管憩室，需要手术来纠正。
2. 2.The medical team performed an endoscopy to diagnose the tracheal diverticulum.
   医疗团队进行了内窥镜检查以诊断气管憩室。
3. 3. The patient's condition worsened after the tracheal diverticulum was treated.
   经过治疗，患者的病情恶化了。