Thoracic Outlet Syndrome

Thoracic outlet syndrome is a condition that can cause pain, swelling, and other symptoms in the arms. The condition is caused by compression of the nerves and blood vessels in the thoracic outlet, which is the opening between the lower part of the neck and the upper part of the chest. Symptoms of thoracic outlet syndrome can include tingling and numbness in the arms, as well as discomfort in the shoulders. The thoracic outlet is a small area that may be found between the upper rib and the colla