Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are clear of confluent consolidation or effusion . There is mild persistent pulmonary vascular congestion without frank pulmonary edema . Cardiac silhouette is enlarged but stable in configuration . Median sternotomy wires are again noted . No acute osseous abnormality is detected . Surgical clips project over the abdomen .
    OUTPUT:
    
No significant interval change . No focal consolidation .