Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , accentuating the cardiac silhouette and pulmonary vasculature . Cardiomediastinal silhouette and hilar contours are unremarkable . Lungs are clear . Pleural surfaces are clear without effusion or pneumothorax . A right internal jugular approach central venous catheter terminates at the cavoatrial junction .
    OUTPUT:
    
No acute cardiopulmonary abnormality . A right internal jugular central venous catheter terminating at the cavoatrial junction .