OC.11.3 DISEASE COURSE AND COLECTOMY RATE IN ULCERATIVE COLITIS: A FOLLOW-UP COHORT STUDY OF A REFERRAL CENTER IN TUSCANY. (24th February 2016) - Manetti, N.; Bagnoli, S.; Rogai, F.; Vannozzi, G.; Bonanomi, A.G.; Milla, M.; Annese, V.