GSTM1 and Pancytopenia: Concerning the presenting cytopenia, 96 patients presented with Hb <10 g/dL, 62 with PLT <100 x109/L, and 37 with ANC <1 x109/L (59 had bicytopenia: 29 Hb and PLT, 13 Hb and ANC, and 17 ANC and PLT; and 9 pancytopenia).