Myelodysplastic syndrome and acute leukemias. Anticoagulation and fibrinolytic therapy. Blood transfusion. Haemostasis and its disorders. Investigation methods in gastroenterology and hepatology. Diseases of the oesophagus. Disorders of the stomach and doudenum. Disorders of the small bowel. Malabsorption. Inflammatory bowel diseases. Tumours of the small and large bowel. The Pancreas Disorders of the gallbladder and biliary tract. Chronic hepatitis. Liver tumors Acute states in gastroenterology. Metabolic and toxic liver diseases. Liver cirrhosis. Hepatic failure. Immunodeficiency. Immunomodulatory and immunosupressive treatment. Treatment with glucocorticoids.