Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or effusion . Blunting of the right lateral costophrenic angle could be due to pleural thickening or atelectasis . The cardiomediastinal silhouette is within normal limits . Median sternotomy wires are intact .
    OUTPUT:
    
No acute cardiopulmonary process .