Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . The lungs are clear of focal consolidation or effusion . Cardiomediastinal silhouette is within normal limits . Median sternotomy wires noting a broken top wire , and mediastinal clips are again noted . No acute osseous abnormality detected .
    OUTPUT:
    
No acute cardiopulmonary process .