Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is hyperexpansion of both lungs with severe underlying emphysema . Minimal blunting of the right costophrenic angle may reflect underlying atelectasis . No pleural effusion or pneumothorax identified . The size the cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
No radiographic evidence of acute cardiopulmonary disease . Hyperexpanded lungs with severe underlying emphysema .