Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube tip 6 .1 cm above the carina . NG tube tip beneath diaphragm , overlying gastric fundus . Compared to the prior film , I doubt significant interval change . Again seen is the right base opacity with obscuration of the right hemidiaphragm , similar to the prior film . Possible minimal improvement in left base opacity . No gross left effusion . Cardiomediastinal silhouette is probably unchanged . Biapical pleural scarring is again noted .
    OUTPUT:
    
Doubt significant interval change .