Angiograms.
A, PA view of the right internal carotid artery. Coils in the right posterior cerebral artery are from prior embolization.
B, PA view. Coils (small arrow) are in the right posterior cerebral artery, and an endovascular balloon (large arrows) is occluding the distal right internal carotid and proximal right middle cerebral arteries.
C, Lateral view. Coils are in the right posterior cerebral artery and an endovascular balloon (arrow) is occluding the distal right internal carotid and proximal right middle cerebral arteries.