This volume is characterised by coloured figures/illustrations and a multimedia area. The textbook, entirely written by Italian academic gastroenterologists, is primarily addressed to medical students attending the different Integrated Courses of Medicine and Surgery, who are preparing the test for passing the exam of Gastroenterology. The present volume has been updated and enriched in order to offer a user-friendly tool to learn basic and clinical Gastroenterology, always in line with the most recent research and pedagogical methodologies.