Bariatric surgery might cut breast cancer risk: study

Data from more than a million women suggest tumours are also found at an earlier stage

Women with obesity who undergo bariatric surgery may have a lower risk of breast cancer, according to a systematic review and meta-analysis.

anatomical model of sleeve gastrectomy

Furthermore, if they do develop breast cancer, they are likely to be diagnosed at an earlier stage, Canadian researchers say.

The investigators examined data from 11 studies including a total of 1,106,939 women with obesity, 9.5% of whom (105,295) underwent bariatric surgery.

At baseline, the weighted mean BMI was similar for women in the bariatric