Pulmonary alveolar proteinosis complicated with nocardiosis: A case report and review of the literature

Figure 1 Lung computed tomography findings. A-D: In August 2018, diffuse interstitial changes were observed within the lung, with local consolidation in the right middle lobe (arrow); E-H: In April 2019, significant absorption of the consolidated area in the middle lobe of the right lung was observed, while diffuse interstitial changes were largely unchanged (arrow); I-L: In December 2019, significant absorption of the diffuse bilateral interstitial changes was observed (arrow).