regio inguinalis sinistra

例句：

1. 1. The patient was taken to the operating room for surgery.
   病人被送往手术室接受手术。
2. 2. The doctor performed a procedure on the patient's abdominal region.
   医生对患者的腹部区域进行了一项手术。
3. 3.The surgeon carefully dissected the regio inguinalis sinistra before performing the operation.
   外科医生在执行手术之前仔细解剖了腹股沟前部。