Cerebral angiography shows a saccular dilation of artery measuring approximately 6x4 mm at the level of A2 bifurcation extending anteriorly and superiorly suggestive of saccular aneurysm.
Bihemispheric ACA with dominant left ACA.
Hypoplastic right P1 segment with right PCA origination for the prominent right PCoA suggestive of fetal origin right PCA.