CEACAM8 and non-Hodgkin lymphoma: However, Marini et al. reported that the frequency of CD66b+CD33dimHLA-DR− PMN- MDSCs in 124 patients with B-cell lymphomas (including CHL and NHL) was higher than that in the healthy control group, and the depletion of CD66b+ cells in PBMCs of patients restored the proliferation of autologous T cells in vitro [60].