Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy with intact wires . Clips are seen within the mediastinum . The lungs do not demonstrate focal consolidation , effusion or pneumothorax . The cardiomediastinal silhouette is stable . The bony structures are grossly intact .
    OUTPUT:
    
No acute intrathoracic process .