Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated and clear . The cardiomediastinal silhouette is unremarkable . There is no pleural effusion , pneumothorax , pulmonary edema , or focal consolidation . There is no radiographic evidence of large hiatal hernia . No subdiaphragmatic free air is noted .
    OUTPUT:
    
Hyperinflation . No large hiatal hernia .