count platelet hemoglobin neutrophil absolute dl anc function marrow bone marrow bone involvement count neutrophil absolute anc unless platelet cytopenias anc neutrophil absolute count ml platelet liter csf greater platelets microliter count neutrophil absolute platelet anc mcl leukocyte equal randomization filgrastim support neutrophil absolute mm count greater anc equal gcsf equal greater neutrophil absolute count anc mm mcl ul creatinine microl count absolute equal neutrophil greater platelets platelet registration anc