结肠癌是胃肠道常见恶性肿瘤之一,以41～51岁发病率为高。近20年来其发病率呈上升趋势,临床症状以排便习惯性改变与粪便性状改变、腹痛、腹部肿块为主,其中以便秘、腹胀、阵发性腹部疼痛慢性低位性肠梗阻症状就诊的病人约占8%～29%[1]。由于回盲瓣的作用,结肠癌引起的肠梗阻多 Colon cancer is one of the common malignant tumors of the gastrointestinal tract, with a high incidence of 41 to 51 years old. In the recent 20 years, its incidence has been on the rise. The clinical symptoms include the change of defecation habit and changes of stool traits, abdominal pain and abdominal mass. Among them, patients with constipation, abdominal distension and paroxysmal abdominal pain with chronic low intestinal obstruction symptoms Accounting for 8% to 29% [1]. Due to the role of the ileocecal valve, colon caused more intestinal obstruction