T.06.4 MUCINOUS AND SIGNET-RING COLONIC ADENOCARCINOMA IN INFLAMMATORY BOWEL DISEASE. (March 2023) - Neri, B.; Pizzi, F.; Savino, L.; Mossa, M.; Lolli, E.; Calabrese, E.; Sica, G.; Carmelina, P.; Monteleone, G.; Biancone, L.