Sleeve gastrectomy, also referred to as vertical sleeve, gastric sleeve or tube gastrectomy, is a surgical procedure performed for the treatment of obesity. This helps patients to eat less without hampering the normal digestive process.

Gastric bypass, also known as Roux-en-Ygastric bypass, is a bariatric or weight loss surgery for obese patients who have not been successful losing weight through dieting, exercise and medication.