Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright portable view of the chest demonstrates right internal jugular central venous catheter tip projecting over mid SVC . Dual - chamber pacemaker leads are in unchanged position . Lung volumes are low , which accentuate bronchovascular markings . Mild pulmonary vascular congestion persists . Left costophrenic angle is blunted , suggestive of possible small pleural effusion . There is no right pleural effusion . No pneumothorax . Heart is mildly enlarged . Left atrium is prominent . Heavy aortic arch calcifications are noted . Bibasilar opacities are likely atelectasis .
    OUTPUT:
    
1 . Right internal jugular central venous catheter tip projects over mid SVC . 2 . Low lung volumes . Pulmonary vascular congestion and likely small left pleural effusion .