Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is moderately enlarged but unchanged . The mediastinal contour is stable , with marked tortuosity of the thoracic aorta again noted . Bilateral calcified pleural plaques somewhat limit assessment of the pulmonary parenchyma . No new focal consolidation , pleural effusion or pneumothorax is definitively noted . There is no pulmonary vascular congestion . Multilevel degenerative changes in the thoracic spine are re - demonstrated .
    OUTPUT:
    
Calcified pleural plaques compatible with prior asbestos exposure . No new focal consolidation to suggest pneumonia .