Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of consolidation . Linear left basilar opacity is most likely atelectasis versus scarring . The cardiomediastinal silhouette is within normal limits . Median sternotomy wires are again noted . There is no free air below the diaphragm .
    OUTPUT:
    
No acute cardiopulmonary process . No free intraperitoneal air .