Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided central venous port terminates at the cavoatrial junction . Endotracheal tube is appropriately positioned . Nasogastric tube extends below the diaphragm . Esophageal stent appears intact . Layering , moderate right pleural effusion appears slightly smaller , although this may simply reflect deeper inspiration on the current film . Interval improvement in left pleural effusion with adjacent atelectasis . Stable , mild cardiomegaly . Stable , postoperative mediastinal silhouette . Slight interval improvement in mild pulmonary edema .
    OUTPUT:
    
Possible interval improvement in bilateral pleural effusions . No pneumothorax .