Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . The lungs are hyperinflated with flattening of the diaphragms suggestive of underlying COPD . No focal consolidation , pleural effusion or pneumothorax is present . Biapical pleural thickening is unchanged . No acute osseous abnormality is present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .