label: Views^W contrast IA:Find:Pt:Chest>Aortic arch & Head+Neck>Carotid artery.bilateral+Vertebral artery.bilateral:Doc:RF.angio
label_lc: views^w contrast ia:find:pt:chest>aortic arch & head+neck>carotid artery.bilateral+vertebral artery.bilateral:doc:rf.angio