tracheal stenosis

例句：

1. 1. The patient's tracheal stenosis was treated with a surgical procedure.
   患者患有气管狭窄，接受了手术治疗。
2. 2. The child's tracheal stenosis was causing him difficulty breathing.
   孩子的气管狭窄导致他呼吸困难。
3. 3. The doctor diagnosed the patient's tracheal stenosis as a result of long-term smoking.
   医生诊断出患者的气管狭窄是由于长期吸烟造成的。