Longitudinal endoscopic ultrasound (EUS) is now widely accepted as a powerful tool for the exploration of organs outside of the gastrointestinal lumen.The first step in the learning of longitudinal EUS is in first understanding the human anatomic structure on ultrasound. This book provides both the beginner and the middle level endosonographists with a comprehensive guide to anatomic structures in the upper abdomen in longitudinal EUS. Through the use of numerous colour images and supplemented with online video clips, this book will be a great help in mastering longitudinal EUS.