Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right chest pleural pigtail catheter remains in place without significant re-accumulation of right pleural effusion . There is persistent asymmetric elevation of the right hemidiaphragm . There is mild interstitial edema , increased since prior study . Cardiac silhouette is unchanged . A right IJ central venous catheter terminates in the mid SVC .
    OUTPUT:
    
1 . Right pleural pigtail catheter in place without re-accumulation of pleural fluid . 2 . Mild pulmonary interstitial edema , slightly increased since prior study .