Video assisted transaxillary first rib resection in treatment of thoracic outlet syndrome (TOS).

A 24-year-old woman presented with a history of swelling and heaviness in her right upper extremity following swimming or any prolonged physical activity involving overhead arm abduction. She noted occasional numbness and paresthesia. Electromyography (EMG) and nerve conduction velocity (NCV) results were normal. Venogram demonstrated high-grade narrowing of the subclavian vein at the thoracic outlet with provocative maneuvers (hyperabduction and rotation) of right upper extremity. She was referred for surgical treatment of thoracic outlet syndrome (TOS).