P.18.12 HEMOSPRAY IN TREATMENT OF ACUTE BLEEDING DUE TO UPPER GASTROINTESTINAL TUMORS: PRELIMINARY RESULTS. (24th February 2016) - Arena, M.; Luigiano, C.; Viaggi, P.; Morandi, E.; Fanti, L.; Granata, A.; Traina, M.; Testoni, P.A.; Masci, E.