What effect does bariatric surgery have on cancer risk?
It appears that people who have bariatric surgery have lower risks of obesity-related cancers than obese people who do not have bariatric surgery. For example, a 2015 study evaluating the effects of bariatric surgery on obese women most at risk for cancer found that the weight-loss surgery eliminated precancerous uterine growths in those who had them. The American Society of Metabolic and Bariatric Surgery website has a summary of studies that indicate bariatric surgery is associated with a decreased incidence of some cancers and a decreased cancer-related mortality in women.
If you do get cancer, does obesity affect the outcome?
Research indicates that obesity may, in some cases, worsen several aspects of cancer survivorship, including quality of life, cancer recurrence, cancer progression, and survival.
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