OC.01.8 ESOPHAGEAL RIGHT BRONCHIAL ARTERY FISTULA: AN EXTRAORDINARY RARE CAUSE OF MASSIVE UPPER GASTROINTESTINAL BLEEDING FOLLOWING PALLIATIVE ESOPHAGEAL METALLIC STENTING. (September 2021) - Martino, A.; Zito, F.P.; Oliva, G.; Silvestre, M.; Orsini, L.; Bennato, R.; Niola, R.; Romano, L.; Lombardi, G.