Change: http://biomed.brown.edu/Courses/BI108/BI108_2007_Groups/group05/pages/guidant_stent.html (28/2/2011)Abdominal aortic aneurysm (also known as AAA, pronounced "triple-a") is a localized dilatation (ballooning) of the abdominal aorta exceeding the normal diameter by more   View changes from previous version. (Word count: 493)

Change: Abdominal arterial calcification and surgical staples noted. There is curvilinear calcific density to the left of L3 - L4 which was likely to represent calcification in the wall of an abdominal aortic aneurysm. Probable calcified aortic aneurysm (arrowed)In order to distinguish a AAA   View changes from previous version. (Word count: 466)

Change: It begins at the level of the diaphragm, crossing it via the aortic hiatus, technically behind the diaphragm, at the vertebral level of T12. It   View changes from previous version. (Word count: 376)