Manual "Practical Gastroenterology" ed., V.A. Akhmedova, considers private issues of gastroenterological practice. The questions of etiology, basic mechanisms of pathogenesis of diseases, clinical manifestations, diagnostic algorithms, principles of treatment of esophageal cancer, cardia achalasia, chronic gastritis, chronic hepatitis, GERD, stomach cancer, Barrett's esophagus, functional dyspepsia, pancreatic cancer, gastropathy, peptic ulcer of the stomach and 12th intestine, gastrointestinal tract, cholecystitis, pancreatitis are described.