Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung is hyperinflated with increased hyperlucency of the upper lobes as for emphysema . Large coarse calcification at the right base is for known pleural plaque with superimposed reticular opacities , compatible with fibrosis . Persistent small atelectasis of the right lower lobe . The lung is otherwise clear , without nodules or consolidation . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouette is normal .
    OUTPUT:
    
There is no sign of pneumonia . Large linear opacity in the right lung is for pleural plaque . Persistent small atelectasis at the right base with mild interstial fibrosis .