大肠癌是胃肠道常见的肿瘤,左侧结肠癌常以急性肠梗阻为首发症状而引起闭袢性肠梗阻。易发生严重急性并发症。但其处理亦较困难,主要是一期切除吻合后发生吻合口漏的并发症很高,因而分期手术仍为主要治疗方法。如先采用横结肠的造瘘减压术,以解除肠梗阻,待病人情况改善后再行结肠癌根治性切除吻合术,数周后吻合口愈合良好再行横结肠瘘口关闭术。此种分三期手术法近年来常以二期手术方法来替代,如一期 Colorectal cancer is a common tumor of the gastrointestinal tract. Left colon cancer is often caused by acute intestinal obstruction as the first symptom and causes closed intestinal obstruction. Susceptible to serious acute complications. However, its treatment is also more difficult, mainly due to the high complications of anastomotic leakage after primary resection and anastomosis. Therefore, staging is still the main treatment method. Such as the use of horizontal colon ostomy decompression surgery to relieve intestinal obstruction, to be improved after the patient’s radical resection and anastomosis of colon cancer, anastomosis healed well a few weeks after the transverse colon fistula closure. This three-phase surgical procedure is often replaced by a secondary surgical procedure in recent years.