淋巴转移是直肠癌主要的扩散途径之一,如不进行合理的淋巴结清扫将会造成局部复发的危险,影响生存率。但是近20年来国内的同道们针对淋巴结清扫范围问题一直在不停地争论,焦点主要是扩大淋巴结清扫,尤其是侧方淋巴结清扫是否必要。尤其近年来腹腔镜应用于癌症的治疗逐渐开展,这一争论日趋激烈。下面作者就腹膜返折以下直肠癌 Lymphatic metastasis is one of the main diffusion pathways of rectal cancer. If reasonable lymph node dissection is not performed, it will cause a risk of local recurrence and affect the survival rate. However, in the past 20 years, the domestic colleagues have been constantly arguing about the scope of lymph node dissection. The main focus is to expand lymph node dissection, especially if lateral lymph node dissection is necessary. In recent years, the treatment of laparoscopic cancer has been gradually carried out, and this debate has become increasingly fierce. The following authors report on rectal cancer below rectal cancer