KMT2A and acute myeloid leukemia: Relatively good discrimination was obtained between the leukemic cells from t(15;17) AML and the other AML groups [in descending order of degree of separation: inv(16) AML, t(8;21) AML, and MLL AML], and weak discrimination between inv(16) AML and MLL AML blasts with the markers from the Tubes 1 and 2.