The pelvic segment of ureter ran laterally and was far away from the mesorectum and the lateral rectal ligaments.
输尿管盆段靠外侧走行，与直肠系膜和直肠侧韧带距离较远；
2
Objective to evaluate the efficacy of regional perfusion of chemotherapeutic drug in rectal cancer patients who had undergone total mesorectum excision (TME).