Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Midline sternotomy wires noted . Elevated right hemidiaphragm again noted . No focal consolidation , large effusion or pneumothorax . No overt signs of edema . Cardiomediastinal silhouette is stable . Bony structures appear intact .
    OUTPUT:
    
No overt signs of edema or pneumonia .