Biglietto, M.; Coppetelli, U.; Fiori, L.; Gherardini, M.; Maglione, R.; Pulsoni, A.; Romeo, A. A. A Case of Multiple Myeloma in a Patient in Treatment for Chronic Lymphocytic Leukemia. Mediterr J Hematol Infect Dis 2025, 17, e2025033.