“…However, compared to the abdominal approaches for rectal cancer, taTME arises new specific complications, including rectal or vaginal perforation [25] , bladder injury, and the injury of the urethra and urethral sphincter [26] , which not No matter the taTME surgery or the IORT, we should pay attention to the anorectal function, especially the bowel frequency and fecal incontinence. TaTME transanal approach may bring injury to the intersphincteric resection [27] and the radiotherapy may induce the fibrosis around rectum affecting the compliance of rectum [28] . Both of them may lead to the low anterior resection syndrome (LARS), a complex of symptoms consisting of incontinence for flatus and /or feces, constipation, urgency, and bowel movements [29] .…”