结肠直肠癌是目前最常见的恶性肿瘤之一,手术切除是主要的治疗方式。然而,5%~20%的病人表现为肿瘤穿透肠壁全层,并侵及邻近组织脏器。对于这类局部晚期肿瘤病人,手术难度大大增加。近年来,随着外科技术设备的更新、围手术期并发症处理经验的积累以及肿瘤多学科综合治疗模式的完善,对于局部晚期的结肠直肠癌,多数学者主张结肠直肠癌联合周围受侵脏器的完整切 Colorectal cancer is one of the most common malignant tumors at present, and surgical resection is the main treatment. However, in 5% to 20% of patients, the tumor appears to penetrate the full thickness of the intestinal wall and invade adjacent organs. For such patients with locally advanced tumors, the difficulty of surgery greatly increased. In recent years, with the update of surgical technique and equipment, the accumulation of perioperative complications and the improvement of multidisciplinary treatment models for tumors, most scholars advocate colorectal cancer combined with peripheral organs Full cut