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(a, b) Brain three-dimensional computed tomography shows patency in the right anterior cerebral artery (ACA) (red arrow) and occlusion in the left ACA (black arrow). (c) Cerebral angiography shows patency in the right ACA (red arrow) and occlusion in the left ACA (black arrow) before thrombectomy, and (d) patency both in the right (red arrow) and left ACA (black arrow) after thrombectomy.
