Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval decrease in size of a right pleural effusion , now small to moderate in extent . No pneumothorax identified . There is right basilar atelectasis . The left lung is clear . Again noted is mild pulmonary vascular congestion . The size of the cardiac silhouette is mildly enlarged .
    OUTPUT:
    
Interval decrease in size of the right pleural effusion , now small to moderate in extent . Overlying right basilar atelectasis . No pneumothorax is identified .