Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small right pleural effusion has nearly resolved since interval placment of apical chest tube , responsible for extensive new subcutaneous emphysema in the right chest wall , but there is no pneumothorax . Small left pleural effusion is larger . Moderate cardiomegaly and large , tortuous thoracic aorta are chronic and unchanged . Median sternotomy wires and mediastinal clips are unchanged in appearance .
    OUTPUT:
    
1 . Interval near resolution of right pleural effusion with placement of a right apical chest tube ; no pneumothorax . 2 . Extensive subcutaneous emphysema can be attributed to thoracostomy but should be monitored , since persistence could reflect a bronchopleural leak . 3 . Stable , chronic moderate cardiomegaly and very abnormal aorta . 4 . New small left pleural effusion .