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Fig. 3. A, MR angiography of the right common carotid artery before carotid artery stent placement (CAS) with a tandem lesion in the proximal internal carotid artery.
B and C, Diffusion-weighted image before (B) and after CAS (C), showing a new lesion <5 mm in the superficial territory of the contralateral middle cerebral artery.
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