Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval dramatic improvement in the left pleural effusion and associated atelectasis . The right pleural effusion and atelectasis are stable . There is no pneumothorax . There is mild cardiomegaly . The mediastinal and hilar contours are stable .
    OUTPUT:
    
1 . No pneumothorax . 2 . Right pleural effusion and atelectasis .