Any surgical procedure that reshapes or reconstructs the stomach, often performed to aid weight loss or repair damage.
From gastro- (stomach) plus plasty (from Greek plastos 'formed, molded'). The -plasty suffix indicates surgical reconstruction or reshaping, as in rhinoplasty.
Gastroplasty includes bariatric surgeries like gastric bypass and gastric banding—they physically shrink the stomach's capacity, forcing the body to feel full on less food and triggering weight loss.
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