Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube ends 3 .8 cm above the level of the carina . A right internal jugular central venous catheter ends in the mid SVC . A large - bore left subclavian central venous catheter ends in either the distal left subclavian vein or proximal left brachiocephalic vein . An enteric catheter courses below the level of the diaphragm , ending in the mid stomach . A left pleural catheter ends at the left lung base . Two presumed abdominal drains are noted over the left upper abdominal quadrant . Multiple surgical clips are seen in the right upper abdominal quadrant . Lung volumes are slightly low . There is minimal left retrocardiac atelectasis . The lungs are otherwise clear . The heart size is normal . The mediastinal contours are normal . There are no definite pleural effusions . No pneumothorax is seen . Note is made of multiple bilateral old rib fractures , as seen on the prior radiograph from ___ .
    OUTPUT:
    
No acute cardiac or pulmonary process . Minimal left retrocardiac atelectasis .