NCIt definition : A decrease in the number of neutrophils in the peripheral blood.;
Alternative definition : NICHD: Abnormally low level of neutrophils in the blood.; NCI-GLOSS: A condition in which there is a lower-than-normal number of neutrophils
(a type of white blood cell).; CTCAE: A finding based on laboratory test results that indicate a decrease in number
of neutrophils in a blood specimen.;