It provides a balanced and satisfactory weight loss by reducing the stomach capacity by 75-80% on the vertical axis, providing satiety despite very little food consumption in the postoperative period, and reducing the levels of the Ghrelin hormone, which causes the feeling of hunger, by approximately 85-90% with the operation. It is known as sleeve gastrectomy, as the stomach takes on the appearance of a tube after the operation. It is in demand due to the fact that there is no obligation to use vitamins and minerals for life after the surgery, the chance of endoscopy is not lost, and the chance of reaching the ideal weight is extremely high.