Accessory middle cerebral artery, hypoplasia of the A1 segment of the left anterior cerebral artery fenestration of the A2 segment of the left anterior cerebral artery and fetal variant of posterior cerebral artery

副大脑中动脉、左侧大脑前动脉A1段发育不全、左侧大脑前动脉A2段开窗以及胎儿型大脑后动脉变异