P953: ROLE OF THE COMBINATION OF FDG PET PLUS WHOLE BODY MRI FOR STAGING NEWLY DIAGNOSED AND RELAPSED/REFRACTORY MULTIPLE MYELOMA: A PROSPECTIVE TRIAL - Claudio Cerchione; Davide Nappi; Matteo Marchesini; Giacomo Feliciani; Andrea Prochowski Iamurri; Sonia Ronconi; Delia Cangini; Michela Ceccolini; Claudia Matuozzo; Fabiana Mammoli; Federica Frabetti; Giovanni Paganelli; et al. (HemaSphere, 2023)