Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior film , inspiratory volumes are considerably improved . The cardiomediastinal silhouette is unchanged . Right pleura effusion and right base opacities are improved , with minimal residual right base atelectasis and a small right effusion still present . Collapse and / or consolidation at the left base is also improved , though not completely resolved , with minimal residual blunting of left costophrenic angle . There is mild upper zone redistribution , but no evidence of CHF . Right IJ line again seen , unchanged in position . No pneumothorax detected .
    OUTPUT:
    
Ongoing improvement in postoperative appearance . Significant interval improvement in inspiratory volumes .