What are the symptoms of a strained pectoral muscle. doc says i have that yet i don't know. it hurts far too much. right side.armpit to below nipple.

Armpit pain: Do you have numbness tingling, coldness in the arm? That would point to something like a clot in the vein artery is really painful with real coldness to the arm). Did it occur after exercise? Thoracic outlet syndrome? rarely gallbladder., mediastinal/.neck lesion, carotid issue, need CXR f/u w/ doc, http://my.clevelandclinic.org/services/heart/disorders/hic_Thoracic_Outlet_Syndrome