347
Participants
Start Date
December 31, 2013
Primary Completion Date
December 31, 2016
Study Completion Date
December 31, 2019
Robotic-assisted resection.
Robotic-assisted abdominoperineal resection.
Laparoscopic resection
Laparoscopic abdominoperineal resection
Zhongshan Hospital, Fudan University, Shanghai
Fudan University
OTHER