Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular central venous catheter tip terminates in the mid SVC . Moderate enlargement of the cardiac silhouette is unchanged . The mediastinal and hilar contours are similar with mild tortuosity of the thoracic aorta again noted . There continues to be mild pulmonary vascular congestion . Lung volumes are low with patchy opacities in lung bases most likely reflective of atelectasis . No pleural effusion or pneumothorax is demonstrated . Remote fracture of the right seventh posterior rib is noted .
    OUTPUT:
    
Right internal jugular central venous catheter tip terminates in the mid SVC . No pneumothorax . Low lung volumes with bibasilar atelectasis . Mild pulmonary vascular congestion .