GSTM1 and Pancytopenia: Complete blood count showed a Hb level of 8.4 g/dL, a WBC count of 1230 cell/mm3 (neutrophil, 62%; lymphocyte, 29%, monocyte, 8%; basophil, 1%), and a platelet count of 13,000 platelets/mm3, indicating pancytopenia.