200
Participants
Start Date
October 12, 2018
Primary Completion Date
December 31, 2021
Study Completion Date
July 31, 2022
different reconstruction methods
Different reconstruction methods should be performed after sphincter preservation surgery in two groups.The methods include end-to-end anastomosis or end-to-side anastomosis
Peking University People's Hospital, Beijing
YE Yingjiang
OTHER