P.05.1 PANCREATIC CANCER AND PSEUDOTUMORAL MASSES IN CHRONIC PANCREATITIS: DIAGNOSTIC ACCURACY OF ENDOSCOPIC ULTRASOUND AND FINE NEEDLE BIOPSY (EUS-FNB). (25th March 2019) - Grassia, R.; Imperatore, N.; Capone, P.; Cereatti, F.; Forti, E.; Antonini, F.; Tanzi, G.P.; Martinotti, M.; Buffoli, F.; Mutignani, M.; Macarri, G.; Manes, G.; et al.