Background Thoracic Outlet Syndrome (TOS) is a syndrome involving compression at the thoracic inlet, which is known clinically as the superior thoracic outlet resulting from excess pressure placed on ...

The symptoms of thoracic outlet syndrome (TOS) are pain, numbness and tingling of the upper extremity. The compression of the brachial plexus, subclavian artery and vein between the clavicle, first ...

Median Nerve: A major nerve in the arm that provides sensation to the palm side of the thumb and fingers, and controls some muscles in the hand. Entrapment Syndrome: A condition where a nerve is ...

During surgery to correct Thoracic Outlet Syndrome, both the first rib -- the uppermost of the ribs, which is attached to the first thoracic vertebrae at the base of the neck, angles down and connects ...