In the present study, the hybridized probes of FISH test included RB-1, TP53, Bcr/abL, PML/RARA, AML1/ETO, MLL, FGFR1, CBFB, TET/AML, Bcl-2, MYC, and CCND1/JgH. The gene discussed is KMT2A; the disease is acute myeloid leukemia.