help me analyze this CBC :
male 25 years old
HB is 13
red cell count is 4.75
PCV is 38.9
Mcv is 82
MCH is 27
MCHC is 33
platelete count is 155.000
white cell count is 3.300
neutrophils ( relative : 31.7 %) ( absolute : 1046.1)
bands 1.9
segmented 29.8
lymphocytes ( relative : 60 %) ( absolute : 1980 )
monocytes ( relative : 4.2 %) ( absolutw :138.6 )
esinophils ( relative: 3.2 %) (absolute: 105.6 )
basophils ( relative : 1 %) ( absolute : 33 )
comment is mild leucopenia !!!
what is the causes and what is the treatment ??