Intestinal neoplasia comprises a large part of a surgical pathologist’s workload. Pathologists play a key role not only in the classification of malignancies but also in assisting screening programs, identifying incidental neoplasms, and guiding treatment by providing essential prognostic features for individual entities. A large variety of neoplasms affect the intestines, and there is ongoing discovery of new entities and prognostic features for known diseases. Pathologists and trainees s...