Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ , lung volumes are extremely low with associated vascular crowding and exaggeration of the cardiac silhouette . Again appreciated is loss of the left hemidiaphragm suggestive of left - sided pleural effusion as well as left base volume loss . There is no evidence of interstitial edema . A right dual - channel dialysis catheter remains in place with the tip in the right atrium . There is no pneumothorax .
    OUTPUT:
    
Low lung volumes with persistent left - sided pleural effusion and left lung base volume loss . No evidence of edema or clear consolidation worrisome for pneumonia .