Conclusions To acute obstruction caused by left colon caner these patients was comprehensively evaluated if only and indication is appropriate,the single-stage resection and anastomosis may be safe.

• 结论对左半结肠癌、直肠癌并发急性肠梗阻病人进行综合判定，掌握好适应证，施行一期肿瘤切除吻合术是安全有效的。