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What Causes Painful Knot In Armpit?
I just had a knot come up in my armpit on Monday about the size of a quarter. It is painful if pushed and is right in the middle. I would say the tendon that runs down my arm pit seems like it is in the center of it I am 54 6' 1" and fairly good health I think.
Tue, 29 Jul 2014
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