Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with chest radiograph from ___ , there has been interval placement of multiple lines and tubes . A Swan - Ganz catheter terminates in the main pulmonary artery . ETT tip terminates 5 cm above the carina . Right internal jugular catheter terminates in the right brachiocephalic vein . Lung volumes are somewhat lower . Left retrocardiac opacity is new and likely reflects atelectasis . If there is an effusion on the left , it is small . There is no focal consolidation or pneumothorax . No vascular congestion or pulmonary edema . Mediastinum is wider but this is unlikely pathologic .
    OUTPUT:
    
Cardiopulmonary support devices are in standard placements . No pneumothorax .