All members of the Division of Gastroenterology are committed to providing the best quality of care to patients with a variety of disorders affecting the gastrointestinal tract, liver, pancreas and biliary systems, and dedicated to biomedical research and education as well. Endoscopic services include endoscopic diagnosis, evaluation of tumors with endoscopic ultrasonography, capsule endoscopy and interventional management of benign and malignant gastrointestinal tract disorders. The Liver Center provides comprehensive and specified services including liver transplantation and intensive care of patients with primary liver cancers and acute/chronic hepatic failure. Resources of the renowned Hepatology section include the latest advances in endoscopic and radiologic equipment. With these minimally invasive capabilities, staff members perform more than 50,000 minimally invasive endoscopic or radiologic procedures each year, including contrast enhanced ultrasonography, multi-detector CT, SPIO or enhanced MRI, liver biopsy, endoscopic variceal ligation, transjugular intrahepatic portosystemic shunt, and balloon-occluded retrograde transvenous obliteration. Among the options for the treatment of hepatocellular carcinoma are surgical resection, transarterial chemoembolization, percutaneous ethanol injection, radiofrequency ablation, chemotherapy, radiation therapy and liver transplantation. With the combination of these treatment modalities, outstanding results with minimal complications are being obtained. Pancreatobiliary section performs many kinds of special diagnostic studie the including endoscopic retrograde cholangiopancreatography, endoscopic ultrasonography and cholangioscopy. As a therapeutic procedure, staffs in Pancreatobiliary section perform endoscopic biliary or pancreatic sphincterotomy, removal of the bile duct or pancreatic duct stones, endoscopic biliary drainage, extracorporeal shock-wave lithotripsy and electrohydraulic lithotripsy.