Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate diffuse granular / reticular opacities in the bilateral lungs , with relative sparing of the right lower lobe , likely due to underlying chronic fibrotic disease . There is no evidence of pneumothorax , pleural effusion , or focal consolidation . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Diffuse granular / reticular opacities , likely due to underlying chronic fibrotic disease . Superinfection can not be excluded , and correlation with prior imaging is recommended . If none is available , dedicated CT with contrast could be performed if clinically indicated .