Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left IJ is seen in appropriate position with the tip in the SVC . A right sided dual lumen catheter is noted with the tip at the junction of the SVC and right atrium . There is no pneumothorax . There are low lung volumes . Bibasilar atelectasis is seen . There is some cephalization of pulmonary vessels consistent with mild pulmonary vascular congestion . Cardiomediastinal silhouette is unremarkable . There is no pleural effusion .
    OUTPUT:
    
1 . Left internal jugular central venous catheter within the SVC . No pneumothorax . 2 . Mild pulmonary vascular congestion .