The suitable candidate is one who suffers from obesity, meaning that the body mass index is higher than 35 and cannot dispense with eating sweets and sugars, especially diabetics, and also obese patients who suffer from hiatal hernia and those who suffer from esophageal reflux.
The surgeon uses the endoscope in the bypass surgery, which has a thin diameter not exceeding a millimeter and makes 3-5 surgical incisions that do not exceed a millimeter also, so the surgery does not leave a clear trace, but very small stitches that heal with time and then enjoy good health.