Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: NG tube can be followed up until mid esophagus , but its distal end is not clearly seen in this patient with known hiatal hernia . Bilateral moderate pleural effusions are unchanged with bibasilar atelectasis . NG tube ends 2 .5 cm above the carina . There is a new line coming from the abdomen , going to mid mediastinum .
    OUTPUT:
    
NG tube has been repositioned and its distal end is not definitively seen . It could be followed up until mid mediastinum .