PMC9630890_01
Mediastinal shift to the right with partial right lung collapse, trachea and
esophagus deviated to the right, and no pleural collection.
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A plain chest X-ray revealed a significant mediastinal shift to the right with partial right lung collapse, trachea and esophagus deviated to the right, and no pleural collection (Figure 1).
Non-contrast axial and sagittal images of the chest show aneurysmal
dilatation of the arch of aorta and the proximal descending thoracic aorta
(blue arrows) measuring 5.1 cm in maximum diameter. Diffuse calcified
atherosclerotic plaques seen in the thoracic aortic wall. The tortuous aorta
extrinsically compresses the mid-esophagus against the posterior wall of the
left atrium (yellow arrow).
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Consolidation was seen in the left lower lobe suggestive of aspiration pneumonia (Figure 2), and the CT scan of the abdomen and pelvis had no abnormalities.