The Brigham and Women’s Hospital Gastroenterology Pathology service provides comprehensive diagnostic expertise and services relating to the pathology of disorders of the gastrointestinal tract, liver, and pancreas. In addition to evaluation by conventional histology, a variety of specialized immunological and molecular tests are routinely available. The Gastroenterology Pathology service provides services for the Brigham and Women's Hospital, and the Dana-Farber Cancer Institute as well as national and international consultations.