Giovanni Lanza is Full Professor of Anatomic Pathology at the University of Ferrara. He obtained a degree in Medicine (1980) and specialized in Oncology (1983) and in Anatomic Pathology (1987). He has great experience in the study of colorectal tumors and received several grants, mainly to investigate pathologic, biologic and molecular prognostic factors in colorectal cancer. In the last few years, the interest of Professor Lanza was focused on the study of the clinical, pathologic and molecular features of large bowel cancers with microsatellite instability. In particolar, he contributed greatly to the pathologic and molecular characterization of medullary adenocarcinomas and to the development of an immunohistochemical test for the identification of MSI-H carcinomas.