Massive thoracic aortic aneurysm involving the ascending aorta, aortic arch, and proximal descending aorta. Dilatation is most marked at the ascending aorta, which measures up to 10 mm. Atheromatous plaque in the distal descending thoracic and thoraco-abdominal sections.
Pericardial effusion. Left upper lobe airspace opacity (aspiration +/- infection). Left lower lobe atelectasis.