TP53 and B-cell chronic lymphocytic leukemia: Mutational status of the tumor protein p53 (TP53) gene has been one of the most important prognostic molecular markers in B-chronic lymphocytic leukemia (B-CLL) for a long time [1-7], although more recently additional promising novel candidate genes have been described in B-CLL patients as results of whole-exome and/or whole-genome sequencing [8-18].