Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is moderately - to - severely enlarged . Postoperative appearance of the mediastinum from prior AVR . A trach tube is in standard position . A left pectoral pacer is in place with leads in the right atrium and the right ventricle . A right PICC terminates in the mid SVC . A right pleural drainage catheter remains at the right lung base without residual pneumothorax . There is bibasilar left - greater - than - right atelectasis with mild - to - moderate pulmonary edema and mild - to - moderate left - greater - than - right pleural effusion .
    OUTPUT:
    
1 . Right chest tube remains in place without remnant pneumothorax . 2 . Mild - to - moderate pulmonary edema with left - greater - than - right effusion and bibasilar atelectasis .