Aneurysms most commonly occur in arteries at the base of the brain -LRB- the circle of PERSON@1 -RRB- and in the aorta -LRB- the main artery coming out of the heart , a so-called aortic aneurysm -RRB- .

Aneurysms usually happen in arteries at the base of the brain and in the aorta -LRB- the main artery coming out of the heart -RRB- - this is an aortic aneurysm .
