Many causes: Could be an umbilical hernia. Could be a tumor. Could be an insect bite. Could be a cyst or pimple. See a doctor and get it checked.
Answered 8/31/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
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