Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Left chest wall pacer device is seen with its leads extending to the region the right atrium and right ventricle . Overlying pacer wires are present . Cardiomediastinal silhouette appears within normal limits . Lungs are clear . No large effusion or pneumothorax . Bony structures are intact .
    OUTPUT:
    
No acute findings .