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Fig 2. MRA. A and B, Coronal and axial views show both anterior cerebral arteries arising from the right internal carotid artery (arrowhead) in a very lateralized position into the left hemicranial cavity and the left carotid artery, communicating with the basilar artery through a large posterior communicating artery (arrow). Only the intracranial part of the left internal carotid artery is visible (asterisk).
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