Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular central venous catheter tip terminates in the upper SVC . Left - sided pacemaker device is noted with leads terminating in the right atrium and right ventricle . Patient is status post median sternotomy and CABG . Mild enlargement of cardiac silhouette is re - demonstrated . Mediastinal and hilar contours are unremarkable . Bilateral calcified pleural plaques are noted . There appears to be mild pulmonary vascular congestion without the presence of large pleural effusions . No pneumothorax is demonstrated . Retrocardiac patchy opacity may reflect atelectasis .
    OUTPUT:
    
1 . Right internal jugular central venous catheter tip in the right upper SVC . 2 . Bilateral calcified pleural plaques suggest prior asbestos exposure . 3 . Retrocardiac atelectasis . 4 . Mild pulmonary vascular congestion .