Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Left chest wall dual lead pacing device is again seen . The lungs are clear where not obscured by overlying leads and pacer . The cardiomediastinal silhouette is normal . Median sternotomy wires again noted . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary process .