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Absent enhancement within the majority of the left kidney with a few areas of preserved but diminished perfusion. Thrombus filling the left renal artery near the origin. Small amount of perinephric fluid/edema.
Abdominal aortic aneurysm with prominent calcified and noncalcified plaque. Occlusion of the superior mesenteric artery at its origin with reconstitution, likely via small pancreaticoduodenal arcade collaterals supplied by the celiac/common hepatic artery.