PMC5448610_01
(A) Frontal chest radiograph showed prominence in the region of ascending aorta mimicking an aneurysm (solid arrow). (B) Left lateral radiograph showed radio dense lesion inferior to arch of aorta with mass effect on trachea (dotted arrow).
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Chest radiograph revealed a prominence in the region of ascending aorta, mimicking an aneurysm, with well-defined margin on right side (Figure 1A). Left lateral radiograph demonstrated a lesion posterior to the trachea causing indentation and luminal narrowing (Figure 1B).
(A, B) Barium swallow showed large diverticulum arising from right lateral wall of mid esophagus (curved arrow) with normal appearing distal esophagus (solid arrow).
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Mid-esophageal diverticulum with a large neck arising from the right lateral wall was visualized in upper GI contrast series (Figure 2A, 2B).
(A, B) 'Axial CT chest in mediastinal window showed retained food particles in the diverticulum (solid arrow) and retained oral contrast in the dependent location (dotted arrow).
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Chest CT showed a diverticulum at the level of tracheal bifurcation with particulate matter and mottled appearance, i.e. retained food particles (Figure 3A). Retention of oral contrast was seen in dependent location within the diverticulum (Figure 3B).