Which surgical procedure treats morbid obesity by shortening the jejunum?

Question

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Roux-en-Y gastric bypass is the surgical procedure that treats morbid obesity by shortening the jejunum. This procedure involves creating a small pouch at the top of the stomach and then attaching it directly to the middle part of the small intestine, bypassing a significant portion of the stomach and the upper section of the small intestine. This results in reduced absorption of calories and nutrients, leading to weight loss.

Which Surgical Procedure Treats Morbid Obesity by Shortening the Jejunum