Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aorta is mildly tortuous and demonstrates diffuse atherosclerotic calcifications . Mediastinal and hilar contours otherwise are unremarkable . Previously noted nodular opacity within the lingula on CT is not clearly demonstrated on the current study . The lungs are clear . No pleural effusion or pneumothorax is present . The pulmonary vascularity is normal . No acute osseous abnormalities are seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .