Bariatric Surgery and the Risk of Cancer in a Large Multisite Cohort

Objective: To determine whether bariatric surgery is associated with a lower risk of cancer. Background: Obesity is strongly associated with many types of cancer. Few studies have examined the relationship between bariatric surgery and cancer risk. Methods: We conducted a retrospective cohort study of patients undergoing bariatric surgery between 2005 and 2012 with follow-up through 2014 using data from a large integrated health insurance and...