Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were performed . No pleural effusion , pneumothorax or focal airspace consolidation . Heart size is normal . Mediastinal and hilar structures are unremarkable . As before , there is mild hyperexpansion of the lungs consistent with chronic pulmonary disease related to smoking .
    OUTPUT:
    
No acute cardiopulmonary process with hyperinflation .