Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ETT is 3 .7 . Cm above the carina . The NG tube tip is off the film , at least in the stomach . The right IJ line tip is in the SVC . There continues to be a small infiltrate in the right lower lobe , however this is improved in appearance compared to the study from 2 days previous . Extreme left CP angle as on the film .
    OUTPUT:
    
Mild improvement in right lower lobe infiltrate .