CD38 and B-cell chronic lymphocytic leukemia: Clinical features of the 19 CLL/MBL samples analyzed in this study, including patient age, sex (M: male; F: female), diagnosis, % of clonal population from WBC (WBC: white blood cells), Binet/Rai stage, V(D)J rearrangement, IGHV mutational status (IGHV: immunoglobulin heavy variable; UM: unmutated; M: mutated), cytogenetic alterations and CD38 and ZAP70 status.