Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube terminates approximately 6 .8 cm above the carina . A Swan - Ganz catheter is positioned with the tip in the right main pulmonary artery , overall unchanged in position compared to the prior exam . Enteric tube traverses below the diaphragm with the tip out of view of this film . Layering right - sided effusion has improved compared to the prior exam . Linear radiopaque structure seen projecting over the proximal descending thoracic aorta is in the expected location and demarcates the intra-aortic balloon pump marker . Mild bibasilar atelectasis is persistent .
    OUTPUT:
    
1 . Overall , lines and tubes appear to be in appropriate position except for a right Swan - Ganz catheter , which appears to be in the right main pulmonary artery . 2 . Appropriate position of the IABP . These findings were discussed with Dr . ___ by Dr . ___ by phone at 9 a .m . on the day of the exam .