Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded and show improvement in interstitial and reticular opacities in both lungs . The cardiomediastinal silhouette and hilar contours are normal . There is a moderate right pleural effusion and a small left pleural effusion . A right approach PICC terminates with its tip in the lower SVC .
    OUTPUT:
    
Improved pulmonary edema . Persistent emphysema . Appropriate PICC line .