Several possible : Reasons including neck problems like a disc herniation leading to a pinched nerve, a shoulder problem, certain tumors of the upper lung known as pancoast tumors, heart related issues such as angina to name a few. Because this may be related to a heart problem , see your doctor.
Answered 10/17/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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A doctor has provided 1 answer
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