This new text offers comprehensive and practical guidance on the interpretation of endoscopic biopsies of the alimentary canal and solid organs. It also integrates microscopic findings with the cytological and genetic information necessary to make an accurate diagnosis. Emphasizes key histologic features necessary to assist in the identification of diseases based upon evaluation of biopsy and resection specimens.Information reflects new understanding of the molecular/phenotypic origin of many disorders.Integrates complementary diagnostic methods such as immunohistochemistry, molecular diagnostics, and cytology with pathologic features.Discusses the up-to-date and controversial aspects of the "hottest" topics in the field.Includes separate chapters on diagnostic cytology of the GI tract, liver, billiary tract and pancreas.Features the expertise of three renowned specialists and more than 50 distinguished contributors.Covers the differential diagnosis of most disorders in an algorithmic manner with abundant high quality color photographs.Organizes disease categories and chapters in a user-friendly manner in order to facilitate quick access to diagnostic features on specific disease entities.