Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly tortuous and demonstrates atherosclerotic calcifications within the ascending aorta and aortic knob . Pulmonary vasculature is normal . Mediastinal and hilar contours are unremarkable . Hyperinflation of the lungs persists suggestive of underlying COPD . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . No acute osseous abnormalities are detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .