日本癌研究会附属医院外科、畦倉熏、上野雅资等，在切除直肠癌局部复发病灶时采用骶骨联合切除术病人的预后、术后生存质量，尤其对骨侵犯阳性病人的手术适应证问题进行临床病理学的探讨。对象和方法：截至１９９４年施行骰骨联合切除术１９例，原发癌Ｐ４、Ｒｂ１１和Ｒａ４ Japanese Society of Surgical Research Affiliated Hospital Surgical, Kamakura Smoking, Ueno Yoshizaki, etc. The use of patella resection in the resection of rectal cancer with local recurrence lesions in patients with prognosis, postoperative quality of life, especially in patients with bone invasion positive surgical indications Carry out clinical pathological studies. Subjects and methods: As of 1994, 19 cases of iliac bone resection were performed. Primary cancers were P4, Rb11, and Ra4.