Thoracic Outlet Syndrome, a medical term to describe compression of blood vessels or nerves between the lower neck and upper chest -- an area known as the thoracic outlet – sometimes requires surgery.
It's often caused by repetitive overhead arm motion -- several Major League Baseball pitchers have had surgery for TOS – so the syndrome typically affects the dominant arm only.
This video, produced by Dr. Parth Shah of the Hartford HealthCare Heart & Vascular Institute, offers a detailed look at surgery for Thoracic Outlet Syndrome:
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