Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right jugular Swan - Ganz catheter head ends in right pulmonary artery . ET tube ends at 5 cm from carina . The sidehole of the NG tube is in mid gastric cavity . Moderate - to - severe pulmonary edema is unchanged since prior chest x-ray , although there is minimal improvement of lung bases ventilation for reduced bibasilar atelectasis and pleural effusion . Cardiomediastinal silhouette is unchanged . There is no pneumothorax .
    OUTPUT:
    
Minimal improvement of lung base ventilation , but persistent moderate pulmonary edema .