CD4 and chronic myelogenous leukemia, BCR-ABL1 positive: Immune cell infiltration analysis showed that naive and memory B cells, plasma cells, CD4 + and CD8 + T cells, resting NK cells, activated dendritic cells and mast cells were significantly reduced in CML samples compared to normal samples, while eosinophils and resting mast cells were significantly enriched in CML samples, except for neutrophils (Fig. 2C).