CT brain perfusion and angiogram on day 16, showing left MCA and ACA territories with occlusive thrombi demonstrated within the inferior division of the M2 segment of the left MCA and within the callossomarginal branch of the left ACA. There was also a complete left ICA occlusion. ACA, anterior cerebral artery; ICA, internal carotid artery; MCA, middle cerebral artery.