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Progression of a right-sided abdominal aortic aneurysm in the region of the kidney.  Labeled structures include the abdominal aorta, renal artery, duodenum of the small intestine, right kidney and iliac artery. Also depicts the following: blood leaking from the aneurysm and filling the retroperitoneal space; late stage bleeding (hemorrhage) of aneurysm with blood around the right kidney in the retroperitoneal space.