Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously seen right pleural effusion has increased in size since ___ and is now moderate in size . A small left pleural effusion is relatively stable . No new opacity , pulmonary edema or pneumothorax identified . Chronic interstitial changes are stable . Old left rib and scapula deformities are again identified . The cardiac and mediastinal contours are stable .
    OUTPUT:
    
A moderate right pleural effusion has increased in size since ___ .