Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is 5 .4 cm above the carina . There has been interval decrease in the alveolar opacities with some residual bilateral alveolar infiltrates right greater than left . The relatively rapid change in appearance suggests some improvement in the previously described fluid overload . However an superimposed infectious process can not be excluded . NG tube tip is off the film , within the stomach .
    OUTPUT:
    
Some improvement in bilateral infiltrates .