This book is the proceedings of Falk Symposium 166 entitled `GI Endoscopy - Standards and Innovations', which was held in Mainz, Germany, on 18-19 September 2009. It highlights current knowledge and demonstrates standards of medical practice as well as shedding light on upcoming challenges and innovations in gastrointestinal endoscopy. Internationally renowned experts in this exciting field contribute chapters on oesophagus, stomach, small bowel, bile ducts, colon, pancreas, endoscopic ultrasound, and future perspectives.