Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of the left pigtail catheter . No pneumothorax is identified . There is unchanged atelectasis and volume loss in the left lower lobe as well as persisting borderline interstitial edema . The size of the cardiac silhouette is enlarged .
    OUTPUT:
    
Interval removal of the left pleural pigtail catheter with no discernible pneumothorax identified . Unchanged atelectasis and volume loss in the left lower lobe .