Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Mild platelike right lower lung atelectasis is noted . The lungs are hyperinflated and hyperlucent suggesting underlying COPD . No focal consolidation , large effusion or pneumothorax is seen . The cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
As above . No signs of pneumonia .