Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs are hyperinflated suggesting emphysema with lower lung atelectasis . No large effusion or pneumothorax is seen . No convincing evidence for pneumonia . The heart and mediastinal contours appear normal . Bony structures are intact . No free air below the right hemidiaphragm . A metallic structure overlies the left breast .
    OUTPUT:
    
Emphysema with basilar atelectasis . No convincing signs of edema or pneumonia .