Changes in the posterior cerebral artery in supratentorial tumors.
D001254:Astrocytoma; D001932:Brain Neoplasms / Q000000981:diagnostic imaging*; D002528:Cerebellar Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology; D002533:Cerebral Angiography; D002536:Cerebral Arteries / Q000473:pathology*; D004806:Ependymoma / Q000000981:diagnostic imaging; D006801:Humans; D008579:Meningioma / Q000000981:diagnostic imaging