Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged . Mediastinal and hilar contours are unchanged with a moderate hiatal hernia again noted . Pulmonary vasculature is not engorged . Lungs are mildly hyperinflated without focal consolidation . No pleural effusion or pneumothorax is demonstrated . No acute osseous abnormalities seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .