The object of the Gastroenterological examination are the diseases of the gastrointestinal tract: esophagus, stomach, various parts of the intestine, pancreas and liver. It realizes the nature and cause of the types of abdominal pain, as well as problems with the intestinal passage. Peptic ulcer disease, gallstones, constipation and gastrointestinal bleeding are symptoms that require examination by a gastroenterologist.