Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate hyperexpansion but no focal consolidation , pleural effusion , or pneumothorax . Additionally , there is probably a component of emphysema in the lower lobes . The hila are elevated , suggesting scarring . Pleuroparenchymal scarring is noted in the apices . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Hyperexpansion . No consolidation .