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.