The aim of this course is to introduce students to gastroenterology. Course subjects includes symptoms of gastrointestinal system disease, organic and functional dysphagia and dyspepsia, chronic diarrhea, malabsorption syndrome, colon polyps, polyposis coli syndrome, gastroesophageal reflux disease, peptic ulcer, helicobacter pylori, clinical interpretation of liver function tests, jaundice, bleeding in the gastrointestinal system, chronic abdominal pain, liver cirrhosis, alcoholic and non-alcoholic fatty liver disease, chronic hepatitis syndrome, gallbladder and gallstones disease, colonitis, etiology and diagnosis of portal hypertension. Pathology, pharmacology, surgery, infectious diseases, pediatric surgery, radiology and oncology of the gastrointestinal system will be covered.