T-ALL genes that were mutated less frequently in our cohort, compared to previous studies, include WT1 (6.7% vs. 13.2–16.2%) [44, 33], PTEN (3.4% vs. 10–11.7%) [45, 46, 5, 33] and DNM2 (6.9% vs. 10.8– 18.0%) [5, 33]. This evidence concerns the gene WT1 and acute lymphoblastic leukemia.