OC.05.5 ENDOSCOPIC TISSUE ACQUISITION DURING ERCP IN BILIARY STENOSIS: RETROSPECTIVE ANALYSIS OF CASES FROM A TERTIARY REFERRAL HOSPITAL. (March 2023) - Budel, M.; Bernardoni, L.; Crino, S.F.; Conti, Bellocchi M.C.; Di, Stefano S.; Fino, V.; Gabbrielli, A.