The aim of this book is to describe complete clinical approaches based on current advancements in the field of gastroenterology. The most significant developments in the treatment of gastrointestinal disorders and pathophysiology are elucidated in this book including pancreatitis and irritable bowel disease (IBD). Special emphasis is laid on the disease of the liver and biliary tract. This book will provide important novel information which will be useful for clinicians, basic scientists and medical students.