Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright chest radiograph provided . Dual - lead pacer is again noted with leads extending to the region of the right atrium and right ventricle appearing intact . The lung volumes are low , though allowing for this , the lungs appear clear . No large effusion or pneumothorax is seen . The cardiomediastinal silhouette appears normal and stable . No acute bony injury or abnormality is seen .
    OUTPUT:
    
No acute findings in the chest .