Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are hyperinflated with flattened diaphragms suggesting COPD . Lungs are clear without focal consolidation , large effusion or pneumothorax . Cardiomediastinal silhouette appears normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
COPD , no superimposed pneumonia .