 The intracranial internal carotid arteries are normal in course and caliber. The middle and anterior cerebral arteries are unremarkable. There appear to be two fenestrations involving the proximal right PICA. The left vertebral artery, basilar artery, and posterior cerebral arteries are normal in course and caliber. There is no evidence of flow-limiting stenosis, aneurysm or AVM.
1.No evidence of aneurysm or arteriovenous malformation within the field of view.2.There appear to be two adjacent fenestrations of the proximal right PICA.