Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal size with normal cardiomediastinal contours . The lungs are clear . No pleural effusion , pneumothorax , or focal consolidation . Pulmonary congestion has resolved since the prior exam . Leads of a left chest wall generator , likely a vagal nerve stimulator , terminate in stable position .
    OUTPUT:
    
No evidence for acute cardiopulmonary process .