Figure 1

Chest X-ray and computed tomography (CT) images. A) A chest X-ray taken on admission: extensive pulmonary consolidation can be seen in the upper left lobe (arrow). There was an absence of pleural effusion and no cardiomegaly. B) A chest CT scan taken on the ninth day: consolidation areas can be seen on the whole superior left lobe, mixed with ground-glass areas and air bronchogram. There was an absence of pleural effusion. C, D) A CT scan taken on the 21st day: on the left there is parenchymal consolidation with air bronchogram and pneumothorax, and several areas of parenchymal consolidation on the right superior lobe. There was an absence of pleural effusion.