结肠癌是常见的恶性肿瘤，亦是低位肠梗阻的主要原因。有人报道其并发梗阻的病人达２９％，甚至达对％［１］［２］［３］右半结肠癌并发梗阻时，除非病情危重不能耐受根治术或肿瘤无法切除，均应力争行右半结肠Ｉ期切除吻合术。此点众多报道分歧不大［１］［４］［５］。但是 Colon cancer is a common malignancy and it is also a major cause of low intestinal obstruction. It was reported that 29% of patients with concurrency obstruction, even up to % [1] [2] [3] obstruction of the right colon cancer, unless the condition is critical can not tolerate radical surgery or tumor can not be removed, all stress the right Semi-colonic resection and anastomosis. Many reports on this point have little difference[1][4][5]. but