Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . A left chest wall pacer device is again seen with single lead extending into the region of the right ventricle . The previously noted right IJ central venous catheter has been removed . The lungs appear clear without focal consolidation , effusion , or pneumothorax . No signs of CHF . Cardiomediastinal silhouette is normal . Bony structures are intact . Degenerative changes in the T - spine are again noted .
    OUTPUT:
    
No acute intrathoracic process .