Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Right IJ line is no longer visualized . The lungs are clear of focal consolidation or large effusion . Cardiomediastinal silhouette is slightly enlarged , similar to prior . Median sternotomy wires and mediastinal clips are again noted . No acute osseous abnormality is identified .
    OUTPUT:
    
No definite acute cardiopulmonary process .