Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided demonstrate a left chest wall pacer device with the single lead extending to the region of the right atrium . The lungs are clear without focal consolidation , effusion or pneumothorax . A nodular hyperdensity projecting over the right lower lung could represent a vessel or a calcified granuloma . No effusion or pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .