{Reference Type}: Case Reports {Title}: Red cell antigen loss in a patient with chronic myeloid leukemia: a case of ABO discrepancy. {Author}: Shafiq M;Karim F; {Journal}: Transfus Apher Sci {Volume}: 52 {Issue}: 1 {Year}: Feb 2015 {Factor}: 2.596 {DOI}: 10.1016/j.transci.2014.11.004 {Abstract}: Change in ABO antigen expression on the surface of neoplastic cells have been seen for a variety of tumor types. This phenomenon has been linked with myeloid neoplasms as well but is reported infrequently. Here, we report a rare cause of ABO discrepancy in an elderly female having chronic myeloid leukemia.