pygidial incision

例句：

1. 1. The surgeon performed a pygidial incision to removethe tumor.
   外科医生进行了一个关节切口来切除肿瘤。
2. 2. During surgery, the doctormade a pygidial incision to access the affected area.
   在手术过程中，医生进行了一个关节切口以进入受影响的区域。
3. 3. The patient was taken tothe operating room for a pygidial incision.
   患者被带到手术室进行关节切口。