Medical Term:
cervical rib syndrome
Definition: indefinite term, equally applicable to two different syndromes: 1) arterial thoracic outlet syndrome, in which the subclavian artery is compromised by a fully formed cervical rib, and 2) true neurogenic thoracic outlet syndrome, in which the proximal lower trunk of the brachial plexus is compromised by a translucent band extending from a rudimentary cervical rib to the first rib.
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