Episode 42 of CRAMSURG - Clinical Reasearch Appraisal and Methodology for Surgical Trainees. The paper for discussion is Stoma-free survival after anastomotic leak following rectal cancer resection: worldwide cohort of 2470 patients BJS Oct 2023. The teaching topic is Systematic review and meta analysis, part 2. Brought to you by CRAMSURG www.cramsurg.org.