Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . Mediastinal and hilar contours are unchanged with mild tortuosity of the thoracic aorta again noted . Atherosclerotic calcifications are seen diffusely throughout the thoracic aorta . Pulmonary vasculature is normal and the lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . There are moderate multilevel degenerative changes in the thoracic spine . Remote left ninth rib fracture is again seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .