abnormality
affected area
aneurysm
blood
blood vessel
blood vessel disorder
brain
brain disease
bulge
bump
cerebral aneurysm
cerebral artery
cerebral disease
cerebrovascular
cerebrovascular disease
cerebrovascular disorder
danger
disease
disorder
early detection
enlargement
figure
health
hematoma
hypertension
illness
illustration
lesion
mass
mechanism
nodule
risk factor
rupture
structure
subarachnoid hemorrhage
swelling