Gastric Cancer in One-Anastomosis Mini-gastric Bypass: Case Report and Systematic Review.

In the last years, one-anastomosis gastric bypass (OAGB) has been proposed more frequently as obesity surgery technique. Several trials have demonstrated that the easier technical feasibility does not affect the long-term surgical result. However, concern about increased risk of gastric and esophageal cancers has been expressed by several bariatric surgeons.