At admission, severe normocytic anemia with Hb of 36 g/L, mean corpuscular volume (MCV) 87 fl, hematocrit (htc) 10.8%, and random distribution of red cell width (RDW) of 27% was confirmed, with neutropenia (0.59 ×  109/L) and normal platelet count (15 × 109/L). The gene discussed is GSTM1; the disease is anemia (phenotype).