Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior radiograph on ___ , the right lung base consolidation has significantly improved . There is mild residual opacification in this region , which could represent resolving pneumonia . Previously noted left lung base atelectasis has also resolved . No other focal consolidation , pleural effusion or pneumothorax . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities identified .
    OUTPUT:
    
Interval improvement in right lung base opacity , which could represent resolving pneumonia . No new consolidation .