Objective: To probe the methods for one-stage operation in senile colonic obstruction caused by left colonic cancer.

目的：探讨左半结肠癌致肠梗阻的一期手术治疗的可行性途径。

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Objective: To observe the effect of one-stage operation on acute obstruction caused by left-sided colonic cancer.

目的：观察左半结肠癌致急性梗阻一期手术的疗效。

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