The Foundations in Diagnostic Pathology Series answers the call for fresh, affordable, and easy-to-use guidance. Each region-specific volume provides all of the most essential information on the pathologic entities encountered in practice. This volume examines the full scope of neoplastic and non-neoplastic disorders of the gastrointestinal tract (esophagus, stomach, small intestine, appendix, colon, and anus), liver, gallbladder, extrahepatic biliary tract, and pancreas. Coverage includes clinical features · gross and microscopic pathologic features · ancillary studies · differential diagnoses · prognostic and therapeutic considerations · and bibliographic references to the most important literature on the topic. The highly templated, practical format with a wealth of helpful illustrations, boxes, and tables, make this series ideal for quick reference. Covers neoplastic and non-neoplastic gastrointestinal/liver conditions. Features an easy-to-reference layout with abundant boxes and tables throughout. Presents a full range information in a consistent, user-friendly format. Provides over 750 full-color illustrations. The Foundations in Diagnostic Pathology Series answers the call for fresh, affordable, and easy-to-use guidance. Each region-specific volume provides all of the most essential information on the pathologic entities encountered in practice. Series Editor: John R. Goldblum, MD, FACP, FASCP, FACG With 11 additional contributing experts