Can thoracic outlet syndrome ever become a serious issue?

TOS: There is neurogenic, arterial and venous types for TOS. Some that cause arterial or venous obstruction can cause arterial insurfficiency of the upper extremity or venous obstruction or DVT, which are obviously serious. Neurogenic type TOS can cause nerve injury to branches of the brachial plexus. Best to see a TOS surgeon and/or a neurologist who can evaluate you. Vascular TOS requires ...