Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there has been interval improvement in opacity at the right lung base , and in aeration in left lung . There is persistent opacity in the right upper lung zone , likely reflecting pneumonia . There is no pneumothorax . Cardiomediastinal silhouette is unchanged . ET tube terminates 4 cm above the carina . Right IJ catheter and NG tube are stable in position .
    OUTPUT:
    
Interval improvement in edema status post diuresis , particularly at the right lung base . Persistent right upper lung zone opacity likely reflects pneumonia .