Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are hyperinflated . A faint linear density in the left lower lung is unchanged likely scarring or platelike atelectasis . No focal consolidation , large effusion or pneumothorax . The heart size is normal . Cardiomediastinal silhouette is stable . Hila appear unchanged . No acute bony abnormalities .
    OUTPUT:
    
Hyperinflated lungs without superimposed acute process .