Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar opacities are improved compared to ___ . Pleural effusion is minimal , if any . There is no pulmonary edema . Cardiomediastinal silhouette is normal size . Right PICC terminates at cavoatrial junction or enters right atrium .
    OUTPUT:
    
Bibasilar opacities are improved compared to ___ . No new opacity is identified .