Correct!
2. The chest radiograph shows increasingly prominent bilateral nodular opacities

The heart is not enlarged. The bilateral nodular opacities seen on the presenting chest radiograph (Figure 1) are increasingly prominent; this is particularly evident regarding the left upper lobe nodular opacity. While the opacities are enlarging, new consolidation is not present and the mediastinal and hilar contours are largely unchanged when accounting for right anterior oblique rotation present on the follow up chest radiograph (Figure 2).

The patient subsequently underwent thoracic CT (Figure 3) for further characterization of the pulmonary abnormalities seen at chest radiography.

Figure 3: Movies of thoracic CT axial images (Panel A) and coronal images (Panel B) displayed in lung windows.

Regarding the thoracic CT, which of the following statements is most accurate?

1. The thoracic CT shows numerous thin-walled cysts
2. The thoracic CT shows loculated pleural fluid suggesting empyema
3. The thoracic CT shows numerous small nodules consistent with a “miliary” pattern
4. The thoracic CT shows multiple peripheral nodules with and without cavitation
5. The thoracic CT shows multifocal central bronchiectasis and bronchial impaction

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