Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ at 16 : 26 , I doubt significant interval change . Again seen are bibasilar opacities , similar in extent , and upper zone redistribution . Cardiomegaly is grossly stable . Background hyperinflation is again noted . NG tube and left subclavian PICC line are similar in appearance . The previously seen looping of the tube in the hypopharynx is not visualized on the current examination .
    OUTPUT:
    
Doubt significant interval change