Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are clear of focal consolidation or effusion or significant pulmonary edema . The cardiomediastinal silhouette is within normal limits . Left chest wall dual - lead pacing device is again seen . Median sternotomy wires are identified . Aortic valve replacement is also noted .
    OUTPUT:
    
No acute cardiopulmonary process .