Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A large right pleural effusion has increased in size along with overlying atelectasis and superimposed moderate pulmonary edema . Moderate cardiomegaly is similar . There is no new consolidation or pneumothorax . A right - sided pigtail catheter is seen in the pleural space .
    OUTPUT:
    
Interval worsening of moderate to large right pleural effusion , moderate CHF and right basilar atelectasis .