Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unchanged with mild tortuosity of the thoracic aorta re - demonstrated . There are scattered atherosclerotic calcifications within the thoracic aorta . The pulmonary vascularity is not engorged . The lungs are hyperinflated . No focal consolidation , pleural effusion or pneumothorax is present . Minimal linear opacities in both lung bases may reflect subsegmental atelectasis or scarring . There are no acute osseous abnormalities . Partially imaged are bilateral humeral head prostheses .
    OUTPUT:
    
No acute cardiopulmonary abnormality .