CEACAM8 and acute lymphoblastic leukemia: Nevertheless, a thorough analysis revealed a trend towards increased levels of leukocyte-derived EVs (EV-CD45+), neutrophils (EV-CD66b+), monocytes (EV-CD14+) and B lymphoblast with the CD34 phenotype (EV-CD34+) in the B-ALL BM group (Figure 2).