Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: One portable supine AP view of the chest . Right internal jugular catheter tip is in the right atrium . Left PICC line ends at the cavoatrial junction . Tracheostomy tube ends 3 cm from the carina . Bibasilar atelectasis and small left pleural effusion are unchanged . No focal parenchymal opacity is concerning for pneumonia . Cardiac , mediastinal , and hilar contours are stable .
    OUTPUT:
    
No significant change compared to study done six hours earlier .