Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Multiple pleural plaques and calcified left hemidiaphragm are unchanged and consistent with known history of asbestos exposure . There is no focal consolidation , pleural effusion or pneumothorax . The mediastinal silhouette is unchanged , notable for a tortuous aorta . Median sternotomy wires are intact .
    OUTPUT:
    
No acute cardiopulmonary process .