Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No new airspace opacity , pleural effusion or pneumothorax is detected . There is no overt pulmonary edema . The pulmonary vasculature is within normal limits and unchanged . The cardiac silhouette is enlarged , but stable . Diffuse atherosclerotic calcification of the ascending aorta is redemonstrated with mild tortuosity of the thoracic aorta as before . The hilar contours are unchanged . Multilevel degenerative changes of the thoracic spine are noted . No acute , displaced rib fractures are detected .
    OUTPUT:
    
No acute cardiopulmonary process .