PMC4872469_01
An enhanced CT scan demonstrating the trachea displaced by a paratracheal mass with a well-defined thin wall (a: axial view, b: coronal view).
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An enhanced CT scan demonstrated that the trachea was displaced by a paratracheal mass with a well-defined thin wall (Fig. 1a and b).
A CT scan performed 4 years previously showing a tracheal diverticulum in the same position as the mass.
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A CT scan that had been performed as a follow-up of the lung adenocarcinoma 4 years previously had shown a tracheal diverticulum in the same position as the mass (Fig. 2).
A bronchoscopy demonstrating an indentation in the posterolateral aspect of the trachea.
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Conversely, a bronchoscopy demonstrated an indentation in the posterolateral aspect of the trachea; however, an obvious connection between the trachea and the abscess could not be detected (Fig. 3).