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Few lumps occassionally palpable is childrens are lymph
nodes which can be normal if they don't increase in size or cause any pain or discomfort to the child.If the WBC
are high then it can suggest infection; but your baby has no symptom like fever
;pain in the lumps .As a precautionary measure i would suggest you to get your baby examinedby a paediatrician & if he finds the baby ;the lumps & his reports normal no need to worry.