B06 HIGH LEVELS OF CIRCULATING PLASMA CELLS AT DIAGNOSIS ARE PREDICTIVE FOR WORSE PROGNOSIS IN BOTH TRANSPLANT-ELIGIBLE AND -INELIGIBLE PATIENTS WITH MULTIPLE MYELOMA oleh P. Malandrakis, I. Ntanasis-Stathopoulos, I.V. Kostopoulos, P. Roussakis, E. Eleutherakis-Papaiakovou, C. Panteli, N. Angelis, V. Spiliopoulou, N. Orologas-Stavrou, F. Theodorakakou, D. Fotiou, M. Migkou, M. Gavriatopoulou, E. Kastritis, O.E. Tsitsilonis, M.A. Dimopoulos, E. Terpos