CD19 and chronic myelogenous leukemia, BCR-ABL1 positive: A 12-year-old, CMV seropositive (R+) male with chronic myeloid leukemia (CML) underwent a maternal haploidentical TCRαβ+/CD19+ depleted allogeneic hematopoietic cell transplantation (haplo-HCT) from a CMV seropositive donor (D+).