Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is large , but stable compared to prior exam . The mediastinal and hilar contours are within normal limits . Again is seen a moderate - to - large right pleural effusion with associated atelectasis . A locule of gas is trapped within the lower posterior aspect of the right pleural space . This has not changed since prior exam . Pleural fluid tracks up laterally into the apical portion of the pleural space , but the previously seen right apical pneumothorax has resolved . A new small - to - moderate left - sided pleural effusion with associated atelectasis has arisen .
    OUTPUT:
    
Cardiomegaly with stable right hydropneumothorax and new left pleural effusion .