Gastroenterology is a part of medicinal studies which deals with the disorders related to the digestive system. It studies all diseases related to mouth till anus, usually referred to as gastrointestinal tract. Hepatology is a study of liver, pancreas and biliary tree and is generally considered a sub-field of gastroenterology. It uses techniques like endoscopic retrograde cholangiopancreatography (ERCP), transhepatic pancreato-cholangiography (TPC), transjugular intrahepatic portosystemic shunt (TIPSS), etc. to treat the diseases. This book outlines the processes and applications of various diagnostic methods and treatment strategies in detail. It traces the progress made in this field and highlights its key concepts. Those in search of information to further their knowledge will be greatly assisted by this book. It will serve as a valuable source of reference to gastroenterologists, hepatologists, researchers and students associated with these fields at various levels.