Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable supine chest radiograph demonstrates interval improvement in aeration . Bilateral pleural effusions have decreased in the interim . There is scattered subsegmental atelectasis . A rounded opacity in the right mid lung is likely loculated pleural fluid . The cardiac silhouette remains enlarged , the mediastinal contours are unchanged . Mild pulmonary edema is unchanged . The patient is intubated , the tip of the endotracheal tube lies 4 cm from the level of the carina . An NG tube is in place , the tip is not seen . A right chest port is unchanged in position , the tip is at the cavoatrial junction .
    OUTPUT:
    
Interval improvement in aeration , and decrease in size of bilateral pleural effusions , with remnant loculated pleural effusion in the right mid lung .