Full blood count showed a significantly high white blood cell count (WBC) at 542 × 109/L, haemoglobin (Hb) 110 g/L and platelets 256 × 109/L and a blood film appearance in keeping with chronic myeloid leukaemia (CML). This evidence concerns the gene GSTM1 and chronic myelogenous leukemia, BCR-ABL1 positive.