自Miles开创直肠癌根治术后50多年来,直肠癌的手术方法有了许多改变,但其五年生存率并无明显变化。为了减少术后复发,提高生存率,近年来许多学者对影响直肠癌预后的因素作了大量研究,本文对此作一综述。一、手术的因素 Since Miles pioneered a radical rectal cancer surgery more than 50 years ago, there have been many changes in the surgical approach for rectal cancer, but there has been no significant change in its 5-year survival rate. In order to reduce the postoperative recurrence and improve the survival rate, many scholars have done a lot of research on the factors affecting the prognosis of rectal cancer in recent years. This article reviews it. First, the factors of surgery