LILRB4 and chronic myelomonocytic leukemia: Similarly, quantification of LILRB4 expression of bone marrow (BM) stem-cells (CD34 +) samples through RNA sequencing was shown to be greater in chronic myelomonocytic leukemia (CMML) patients compared with healthy controls and myelodysplastic syndrome (MDS) patients, although a diagnostic cutoff was not established [19].