After the surgery, it should be fed with liquid foods and gradually transition to solid foods. At the end of the 6th week, it is possible to switch to solid nutrition completely. Since malnutrition can cause various problems, it is necessary to be in constant interaction with the dietitian. between days 2-3, water and fruit juices without pulp, between 3-12 a liquid diet, between 13-30 a purée diet is followed. Although it is allowed to switch to solid nutrition after one month, the consumption of excessively fatty foods should be avoided. Caution should be exercised as excessive consumption of carbohydrates and simple sugars can also cause dumping syndrome.