长期以来对腹部恶性肿瘤病人开腹探查明确分期,不仅切除率较低,手术并发症较多(15%～20%),有一定的病死率(0～10%),而且病人痛苦大,花费高,使免疫力本已低下的肿瘤患者承受不必要的创伤打击,对不能切除者更是得不偿失。即使是术前各种先进的影像学检查认为可以切除的腹部?.. For a long period of time, the abdominal staging of patients with abdominal malignancy has been definitively staged. Not only the resection rate is low, but also the surgical complications (15% to 20%) have a certain mortality rate (0 to 10%), and the patient suffers a lot of pain. High, so that patients with tumors whose immunity is already low suffer an unnecessary traumatic blow, which is even worse for those who cannot be removed. Even if the preoperative imaging examinations are considered to be excised abdomen?