The fusion genes involved in non-high-risk B-ALL at the disease onset included C008696-AC008696 (n = 4), ETV6-RUNX1 (n = 4), MRPL13-ZNF740 (n = 4), and KLF2-SENP3-EIF4A1 (n = 2) (Fig. 2C). The gene discussed is KLF2; the disease is acute lymphoblastic leukemia.