Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta is tortuous and diffusely calcified . The mediastinal and hilar contours are otherwise unchanged . Lungs are hyperinflated but clear . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is present . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .