Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is tortuous and potentially dilated at the level of the diaphragm but unchanged . Mediastinal and hilar contours are similar . Pulmonary vasculature is not engorged . Lungs remain hyperinflated compatible with COPD . No focal consolidation , pleural effusion or pneumothorax is seen . No acute osseous abnormalities demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .