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Chest X-ray film and computed tomography (CT) on the first visit. (a) The chest X-ray film shows fan-shaped infiltration spreading from the hilum of the right lung. (b, c) CT reveals a soft tissue mass with uneven density in the right thoracic cavity and contrast medium leak from the intercostal artery into the mass (arrow). (d) There is a 10-mm aneurysm (arrow) in front of the superior mesenteric artery.
