OC.15.2 FULLY-COVERED METAL STENT AND ANASTOMOTIC BILIARY STRICTURES AFTER LIVER TRANSPLANTATION: HIGH MIGRATION RATE AFFECTS RESOLUTION OF THE STRICTURE. RESULTS FROM BASALT STUDY. (25th March 2019) - Conigliaro, R.; Pigò, F.; Greco, S.; Ravelli, P.; Ortolani, A.; Di Sario, A.; Barbaro, F.; Tringali, A.; Forti, E.; Tringali, A.; Mutignani, M.; Ruggiero, S.; et al.