240
Participants
Start Date
February 29, 2016
Primary Completion Date
December 31, 2024
Study Completion Date
December 31, 2028
Conventional resection
The conventional technique requests an excision of at least 10 cm of bowel proximal to the tumor, and the sigmoid colon is anastomosed to the rectum or anus. A defunctioning ileostomy is routinely performed.
Proximally extended resection
The modified technique requests an excision of the whole sigmoid colon and rectum proximal to the tumor, and the descending colon is anastomosed to the rectum or anus. A defunctioning ileostomy is routinely performed.
RECRUITING
Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou
Shanghai Changzheng Hospital
OTHER
Peking Union Medical College Hospital
OTHER
Sixth Affiliated Hospital, Sun Yat-sen University
OTHER