Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is again seen a left - sided device with associated dual leads in unchanged position overlying right atrium and right ventricle . ET tube is again seen terminating 5 .5 cm above the carina . An NG tube is again seen which courses inferiorly , with distal tip not visualized below lower limit of film . The cardiomediastinal silhouette is unchanged in appearance . There has been significant interval improvement in pulmonary edema , with minimal residual central pulmonary vascular congestion . There is mild bibasilar atelectasis . There is no pneumothorax or effusion .
    OUTPUT:
    
Significant interval improvement in pulmonary edema .