Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . No prior . The lungs are clear . There is no effusion or pneumothorax . Cardiomediastinal silhouette is within normal limits . Left chest wall pacing device is seen with single lead tip projecting over the right ventricular apex . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Single - lead pacing device with lead tip at the right ventricular apex . No acute cardiopulmonary process . No pneumothorax .