Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips are again noted . Lung volumes are low limiting assessment . Lungs are clear without focal consolidation , large effusion or pneumothorax . The cardiomediastinal silhouette is stable . Bony structures are intact . Unchanged mild compression deformity in the lower T - spine . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings .