pylorotomy

例句：

1. 1.The patient underwent a pylorotomy to relieve his chronic stomach pain.
   病人接受了胃切除术以缓解他的慢性胃痛。
2. 2. The surgeon performed a gastrectomy during the operation.
   外科医生在手术中进行了胃切除术。
3. 3. The patient's recovery was slow due to complications following the gastrectomy.
   由于手术后并发症，患者的康复进展缓慢。