Written by internationally recognized authorities, this comprehensive landmark text on gastrointestinal oncology addresses biology, therapeutic modalities, and diagnosis and treatment of specific malignancies. Topics covered in this reference are multidisciplinary, and sections include GI cancer, esophageal carcinoma, gastric cancer, hepatocellular, carcinoma of the biliary tree, small bowel cancer, colorectal cancer, anal canal cancer, neuroendocrine, gastric lymphomas, and gist tumors. Each section focuses on specific disease sites and cancers and provides complete information on pathology, tumor markers, molecular biology, clinical presentation, diagnosis, staging, and therapy.