274 SUCCESSFUL RE-TREATMENT WITH AZACITIDINE IN A PATIENT WITH MYELODYSPLASTIC SYNDROME (MDS) EVOLUTED INTO ACUTE MYELOID LEUKEMIA (AML) AFTER THE SUSPENSION OF THIS AGENT. Issue 1 (April 2015) - Niscola, P.; Tendas, A.; Cupelli, L.; Scaramucci, L.; Giovannini, M.; Fratoni, S.; de Fabritiis, P.