Is it bruised: If its really a bruise like you hit it. That is not cancer. If you have a hard knot in the muscle, it is unlikely to be cancer but can be things that your regular doctor can help you with.
Answered 9/16/2013
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4 doctors weighed in across 2 answers
A doctor has provided 1 answer
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
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