retroperitoneal space

例句：

1. 1.The surgeon performed a laparoscopic procedure to remove the tumor from the retroperitoneal space.
   外科医生进行了腹腔镜手术，将肿瘤从腹膜后空间中取出。
2. 2. During surgery, the surgeon carefully removed the tumor from the retroperitoneal space.
   在手术过程中，外科医生小心翼翼地从腹膜后空间中移除了肿瘤。
3. 3. The patient was diagnosed with a rare cancer that had spread to the retroperitoneal space.
   患者被诊断出患有一种罕见的癌症，已经扩散到腹膜后空间。