 1. Subject has at least one neurovascular lesion 70-99 stenosis internal carotid, middle cerebral, vertebral artery C4-BA, andor basilar artery symptomatic with a hard TIA or stroke attributable to the territory of the lesion within the past 30 days. An intracranial tandem lesion 50-99 stenosis may be treated if normal artery segment is sufficient length to avoid overlapping stents. 