Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated and clear . No focal consolidation , pleural effusion , evidence of pneumothorax is seen . The cardiac silhouette is top - normal . The mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Clear lungs . Please note that this radiographic study can not evaluate for cholecystitis or stones as the reason for this examination indicates .