Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . The aorta is mildly tortuous and demonstrates calcifications , most pronounced at the aortic knob . There appear to be calcified mediastinal and hilar lymph nodes , suggestive of prior granulomatous disease . The pulmonary vascularity is not engorged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . There are multilevel anterior bridging osteophytes within the thoracic spine . No acute osseous abnormality is seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .