Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the earlier study of this date , the endotracheal tube lies approximately 5 cm above the carina . Bibasilar opacities persist , more prominent on the left , and most likely representing atelectasis and small effusion . In the appropriate clinical setting , superimposed pneumonia would have to be considered . Nasogastric tube extends to the distal stomach and central catheter tip is in the lower portion of the SVC . Stable cardiomegaly .
    OUTPUT:
    
Little overall change .