ArticleAuthors: Trinh Le Huy, Ngo Van Ty (2021)
Sphincter-preserving surgery for low rectal cancer improved the quality of life while maintaining the
oncologic outcomes. A retrospective, descriptive study was conducted with 45 patients who underwent
sphincter-preserving surgery for low rectal cancer at the National Cancer Hospital and Hanoi Medical
University Hospital between January 2016 and April 2020. The mean age was 55.6 years old. Male:
female ratio = 0.7:1. Nearly all patients presented with hematochezia (95.6%). 75.6% of the tumors are
located within 4-6 cm from the anal verge. The anastomotic leak rate was 4.4%. All patients had a normal
postoperative urinary function. The sexual dysfunction rate was low (15.8%... 
