Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable semi-erect chest radiograph was obtained . A left internal jugular tunneled dialysis catheter tip terminates in the right atrium . Lung volumes are low . Basilar atelectasis is similar to appearance on ___ . Small pleural effusions have decreased in size . Mild pulmonary vascular congestion is similar .
    OUTPUT:
    
Stable appearance of bibasilar atelectasis . Improvement in previously small pleural effusions .