Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the most recent prior study , there has been interval increase in the right pleural effusion , now large , with resultant atelectasis in the right lung . The left lung is unremarkable , and there is no left pleural effusion . There is no pneumothorax . The visualized cardiomediastinal contours are stable , with the right cardiac and lower mediastinal contours obscured by the large effusion . A new lucency projecting over the right upper mediastinum is concerning for a distended esophagus . The upper abdomen is unremarkable in appearance .
    OUTPUT:
    
1 . Interval increase in right pleural effusion , now large . 2 . Esophageal distention , new .