腹膜后肿瘤 (除了恶性淋巴瘤 )对放疗和化疗不甚敏感 ,手术切除是其最主要的治疗手段。但对那些肿瘤巨大、血供丰富、基底广 ,与重要脏器或重要血管紧密粘连 ,或多次手术后复发的病例 ,手术颇为复杂 ,运用传统的手术方法 ,难度高 ,易发生术中大出血或邻近器官副损伤。　　近年? Retroperitoneal tumors (except for malignant lymphomas) are less sensitive to radiotherapy and chemotherapy and surgical resection is the most important treatment. However, for those cases with huge tumor, rich blood supply, wide base, close adhesion with important organs or important blood vessels, or recurrence after multiple operations, the operation is quite complicated. The traditional surgical method is used, which is difficult and prone to occur during surgery Major bleed or adjacent organ damage. in recent years?