中下段直肠癌保留肛门手术的改进张世杰，邱法波，张斌近几年来，保留肛门括约肌功能的手术又在逐步开展。但由于Ｂａｃｏｎ（拉下式）及Ｐａｒｋｓ（肛肠吻合式）手术较常见的盆腔感染、肛门狭窄、原肛门处吻合口坏死、回缩等并发症，使中下段直肠癌保留肛门功能手术难以... Improvement of rectal cancer rectal surgery for middle and lower rectum cancer Zhang Shijie, Qiu Fabo, Zhang Bin In recent years, surgery to retain anal sphincter function has been gradually carried out. However, due to complications such as pelvic infection, anal stenosis, anastomotic necrosis, retraction of the original anus and Bacon (pulling down type) and Parks (anal intestine anastomosis) surgery, it is difficult to preserve the anus function in the middle and lower rectal cancer. .