The symptoms of venous TOS are swelling in your entire arm, plus pain and dark discoloration. Arterial TOS, is the rarest type, occurring in only one percent of cases, and it is due to disease in the ...

Others were combination of neuro arterial and venous thoracic outlet syndrome or arterial and venous thoracic outlet syndrome. There were no arterial-only patients.

Venous TOS. Physical examination consists primarily of noting swelling in your arm and prominent veins seen just under the skin at the spot where your shoulder joins your chest. Arterial TOS. Physical ...