Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall transvenous pacer with leads ending in the right atrium and right ventricle , as expected . Left lingular pulmonary nodule measuring approximately 2 .1 cm is stable . Lungs are otherwise clear . Heart size is normal . There is no pneumothorax . Pleural surfaces are unremarkable .
    OUTPUT:
    
No significant interval change . Left chest wall dual lead pacer appropriately positioned .