Gastroenterology Section;
Department of Emergency and Organ Transplantation;
University of Bari;
Pathology Section;
Department of Surgery and Translational Medicine;
University of Florence;
Pathology Section;
Department of Emergency and Organ Transplantation;
University of Bari;
General Surgery Section;
Department of Surgery and Translational Medicine;
University of Florence;
Familial; adenomatous; polyposis; Duodenal; cancer; Estrogen; receptors; Immunohistochemistry; Confocal; micr;