P893: CARFILZOMIB IN COMBINATION WITH LENALIDOMIDE AND DEXAMETHASONE (KRD) AS SALVAGE THERAPY FOR MULTIPLE MYELOMA PATIENTS: ITALIAN, MULTICENTER, RETROSPECTIVE EXPERIENCE OUTSIDE OF CLINICAL TRIALS. (23rd June 2022) - Martino, E. A.; Conticello, C.; Zamagni, E.; Pavone, V.; Palmieri, S.; Musso, M.; Tacchetti, P.; Mele, A.; Catlano, L.; Vigna, E.; Bruzzese, A.; Mendicino, F.; et al.