Inukai et al [7] in their series of 22 patients with ALL and hypercalcaemia reported a lower incidence of severe anaemia (Hb < 8 g/dl) and thrombocytopenia (platelet count < 1 lakh/mm3) in this subgroup of patients compared to a historical cohort without hypercalcaemia. Here, GSTM1 is linked to acute lymphoblastic leukemia.