Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear . Mediastinal and cardiac contours are normal . The lungs are moderately hyperinflated which is unchanged since previous exam . There is no pleural effusion or pneumothorax . Biapical scarring is unchanged since ___ .
    OUTPUT:
    
There are no significant cardiopulmonary findings except for unchanged hyperinflated lungs .