Global variation in postoperative mortality and complications after cancer surgery: a multicentre, prospective cohort study in 82 countries

80% of individuals with cancer will require a surgical procedure, yet little comparative data exist on early outcomes in low-income and middle-income countries (LMICs). We compared postoperative outcomes in breast, colorectal, and gastric cancer surgery in hospitals worldwide, focusing on the effect of disease stage and complications on postoperative mortality.This was a multicentre, international prospective cohort study of consecutive adult...