jejunal and ileal veins

例句：

1. 1. The surgeon dissected the jejunal and ileal veins to remove the tumor.
   外科医生解剖了回肠和空肠静脉以切除肿瘤。
2. 2. During surgery, the surgeon carefully dissected the jejunal and ileal veins to avoid damaging them.
   在手术过程中，外科医生小心地解剖回肠和空肠静脉以避免损伤它们。
3. 3. The patient's condition improved significantly after the jejunal and ilealveins were successfully removed.
   患者的病情在成功移除回肠和空肠静脉后显著改善。