Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated but clear of consolidation . There is no effusion or pneumothorax . The cardiac silhouette is enlarged but stable in configuration . Known posterior right rib fractures are not clearly identified .
    OUTPUT:
    
Hyperinflation . No pneumothorax or effusion . Known fractures not visualized .