300
Participants
Start Date
June 1, 2025
Primary Completion Date
May 31, 2026
Study Completion Date
May 31, 2027
Lateral Internal Sphincterotomy (LIS)
This is a routinely performed surgical procedure for chronic anal fissure. The study is observational and does not assign this procedure to participants.
Turkish Society of Colon and Rectal Surgery
OTHER