330
Participants
Start Date
January 11, 2024
Primary Completion Date
December 30, 2024
Study Completion Date
December 30, 2024
Chromoendoscopy
Patients will undergo chromoendoscopy with spraying indigo carmine.
Conventional colonoscopy
Patients will undergo conventional colonoscopy.
Qilu Hospital of Shandong University, Jinan
Shandong University
OTHER