Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Dual - lead pacer is unchanged with lead tips terminating in the expected location of the right atrium and right ventricle . The lungs are clear without focal consolidation , effusion , or pneumothorax . Cardiomediastinal silhouette appears normal . No signs of CHF . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings in the chest . Unchanged position of pacer .