流行病学资料显示我国结肠直肠癌的发病部位正逐渐从直肠趋向于近侧结肠,但直肠癌特别是低位直肠癌仍在发病中占重要比例。由于直肠癌根治手术难度相对较大,术后明显影响生活质量,始终是医学界关注的焦点。随着近年以腹腔镜技术为代表的微创外科技术的不断发展,腹腔镜结肠 Epidemiological data show that the incidence of colorectal cancer in China is gradually from the rectum toward the proximal colon, but rectal cancer, especially low rectal cancer is still an important proportion of the incidence. Due to the difficulty of radical operation of rectal cancer is relatively large postoperatively significantly affect the quality of life, has always been the focus of medical attention. With the continuous development of minimally invasive surgical techniques represented by laparoscopic techniques in recent years, laparoscopic colon