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Bleeding peptic ulcer in the duodenal bulb. Associated bowel wall thickening and fat stranding. No free gas or extraluminal (i.e. peritoneal) haemorrhage. On portal venous phase imaging there is pooling of contrast in the distal duodenum and proximal jejunum.
Most likely bleeding point is the gastroduodenal artery arising from the left hepatic artery. Replaced right hepatic artery is noted. 4 cm infrarenal abdominal aortic aneurysm with mural thrombus.
Inferior midline ventral hernia containing non-obstructed large and small bowel, and omental fat.