260
Participants
Start Date
January 1, 2021
Primary Completion Date
December 31, 2023
Study Completion Date
December 31, 2028
multi-points and full-thickness Biopsy
Four points around the tumor site and center of the tumor site full-thickness Biopsy
traditional cCR
diginal examination, endoscopy test, rectal MRI, and serum CEA level
RECRUITING
Beijing Chaoyang Hospital, Beijing
Beijing Chao Yang Hospital
OTHER