PO-0821 Long-term outcome of an organ preservation strategy following chemoradiotherapy in rectal cancer. (April 2019) - Palazzari, E.; Lauretta, A.; Navarria, F.; Innocente, R.; Bellucco, C.; Bampo, C.; Balestreri, L.; Matrone, F.; Fanetti, G.; Revelant, A.; Cannizzaro, R.; Canzonieri, V.; et al.