T.11.5 IMMUNOHISTOCHEMICAL EVALUATION OF THE EXPRESSION OF SPECIFIC MEMBRANE ANTIGENS IN PATIENTS WITH PANCREATIC DUCTAL ADENOCARCINOMA UNDERGOING SURGERY. (March 2023) - Vitale, F.; Nicoletti, A.; Paratore, M.; Negri, M.; Inzani, F.; Quero, G.; Alfieri, S.; Gasbarrini, A.; Zileri Dal Verme, L.