incision and drainage of external auditory canal

例句：

1. 1.The patient underwent an incision and drainage of the external auditory canal for a persistent ear infection.
   患者因持续的耳部感染接受了外耳道切开引流术。
2. 2. During the operation, the surgeon performed an incision and drainage of the external auditory canal to remove the foreign body.
   在手术过程中，外科医生进行了外耳道切开引流术以清除异物。
3. 3. The patient recovered quickly after undergoing an incision and drainage of the external auditory canal.
   患者在接受外耳道切开引流术后迅速康复。