This book covers all aspects of gastrointestinal and liver malignancies (epidemiology, pathophysiology, screening where appropriate, symptoms and clinical signs, diagnostic studies, staging and classification, treatment, prognosis, follow-up, future perspectives). It is addressed to those involved in the multidisciplinary approach to the gastrointestinal cancer patient (gastroenterologists, medical oncologists, radiation therapists, surgeons, interventional radiologists, pathologists, nurses, and physicians-in-training). The book provides in-depth information, illustrated by numerous color/black-and-white pictures. Selective reading for a quick reference is made possible by introducing text elements such as summaries, tables, listing and treatment algorithms.