paragastric canals

例句：

1. 1. The patient underwent paragastric canal surgery to treat his obesity.
   患者接受了胃旁路手术来治疗他的肥胖症。
2. 2. The surgeon performed a gastroplasty to correct the patient's stomach shape.
   外科医生进行了胃成形术来纠正患者的胃形状。
3. 3. During the operation, the surgeon removed the paragastric canal and reconnected the intestines.
   在手术过程中，外科医生移除了胃旁路管道并将肠道重新连接起来。