Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Port - A - Cath terminates at the cavoatrial junction . The heart is normal in size . The aorta shows mild unfolding . There is no pleural or pericardial effusion . The lungs appear clear . Bilateral nephrostomy tubes are partly visualized .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease or free air .