腹膜后肿瘤(retroperitoneal tumor)是临床上相对少见的肿瘤。大多为恶性。其中主要是软组织肉瘤(sarcomas)。腹膜后软组织肉瘤在临床上治疗常常因为肿瘤的部位、大小,周围脏器侵犯的情况而有不同的治疗方法。外科医生通常愿意对可切除的腹膜后肉瘤选择手术治疗。但是,由于有些 Retroperitoneal tumors are relatively clinically rare tumors. Mostly malignant. The main ones are sarcomas. Retroperitoneal soft tissue sarcoma in the clinical treatment often because of tumor location, size, the surrounding organs invade the situation and have different treatment. Surgeons are usually willing to choose surgery for resectable retroperitoneal sarcomas. However, due to some