P.16.11 SIMULTANEOUS ONE-PIECE ENDOSCOPIC SUBMUCOSAL DISSECTION FOR TWO POORLY DIFFERENTIATED EARLY GASTRIC CANCER IN ELDERLY PATIENT. (24th February 2016) - Alvisi, C.; Rovedatti, L.; Viganò, J.; Broglia, F.; Bardone, M.; Strada, E.; Pozzi, L.; Centenara, L.; Antonietti, M.; Natoli, S.; Lenti, M.; Dionigi, P.; et al.