Aneurysm Cavity Sinus Sinus Cavity Aneurysm Sinus hollow space Aneurysm AnnihtyuahtyuiRiddle Senin, 08 Mei 2017 belly aortic aneurysm wikipedia. Belly aortic aneurysm (aaa or triple a) is a localized enlargement of the belly aorta such that the diamete...