FCGR1A and B-cell chronic lymphocytic leukemia: In our study, the percentage of circulating neutrophils in CLL showed a negative correlation with CD64 percentage and MFI (r = 0.45, P < 0.01 and r = 0.24, P = 0.07, respectively) and CD54 percentage and MFI (r = 0.34, P < 0.05 and r = 0.43, P < 0.01, respectively).