Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is tortuous and demonstrates atherosclerotic calcifications . Mediastinal and hilar contours are otherwise unremarkable . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is present . The osseous structures are diffusely demineralized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .