左半结肠癌梗阻，往往造成梗阻上方肠腔扩张，肠壁水肿，并有大量气体、粪便及液体潴留。以往常先作梗阻上方造口，待梗阻解除后，再行Ⅱ期手术。这样虽能提高手术安全系数，但有许多不足之处，如病人经过两次手术，所需费用大，痛苦多，创伤重。有的原来可切除的病灶待第... Left colon cancer obstruction, often resulting in obstruction above the expansion of the intestinal lumen, intestinal wall edema, and a large number of gas, feces and fluid retention. In the past, it was often preceded by an obstruction above the stoma. After the obstruction was removed, a second-stage surgery was performed. Although this can improve the safety factor for surgery, there are many deficiencies. For example, if the patient undergoes two operations, the cost is high, the pain is heavy, and the trauma is heavy. Some of the original resectable lesions to be ...