Completely asymptomatic multiple extracranial vascular obstruction.
D002340:Carotid Artery Diseases / Q000000981:diagnostic imaging*; D002941:Circle of Willis / Q000502:physiology; D003097:Collateral Circulation; D006801:Humans; D008297:Male; D008875:Middle Aged; D009333:Neck; D009461:Neurologic Manifestations; D011859:Radiography; D013348:Subclavian Artery; D014652:Vascular Diseases / Q000000981:diagnostic imaging*; D014711:Vertebral Artery / Q000502:physiology