Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta remains tortuous , with pronounced ascending aortic contour , as seen previously . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Unchanged prominence of the ascending aortic contour which may reflect dilatation or aneurysm . As recommended previously , a nonemergent chest CTA can be obtained for further assessment if there are no remote radiographs available for comparison .