Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are clear and hyperinflated . Cardiomediastinal silhouette is stable . No signs of pneumonia or edema . No pneumothorax or effusion . Bony structures are intact .
    OUTPUT:
    
Hyperinflated lungs without superimposed acute process .