完全保留自主神经的直肠癌侧方清扫术式的适应对象为术中未见自主神经直接受累者。日本藤田保健卫生大学医学部消化道外科前田耕太郎、丸田宋人等，将保留神经与神经切除的病人进行比较，以探讨可靠的适应证。同时为了弄清保留神经术后功能障碍的主要原因，对完全保留自主神经 The acculturation of rectal cancer with complete preservation of autonomic nerves was not directly affected by autonomic nerves. Fujita Taro and Masuda Matsuda of the Department of Gastroenterology at Fujita Health and Medical University in Japan compared patients who had nerve and nerve resection to discuss reliable indications. At the same time, in order to clarify the main reasons for retaining postoperative neurological dysfunction, complete preservation of autonomic nerves