Depends: If there has been a trauma to the area then a hematoma is possible. Otherwise it could be several things. In general any mass (or "knot") that has been present for a while and is not getting smaller should be evaluated by a physician.
Answered 10/3/2016
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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
3 doctors weighed in across 2 answers
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