Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained demonstrating hyperinflated lungs without focal consolidation , effusion , or pneumothorax . Heart size is normal , although stable . Atherosclerotic calcifications along the aortic knob noted . Bony structures appear intact .
    OUTPUT:
    
Hyperinflated lungs , without signs of pneumonia .