Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post right thoracentesis , with significant decrease in the right pleural effusion and re-expansion of the right lung base . Small residual right pleural effusion is present . Moderate left pleural effusion with left basal atelectasis is unchanged . Cardiomegaly is stable . The hilar and mediastinal contours are unchanged . Moderate pulmonary edema has improved .
    OUTPUT:
    
Interval decrease in right pleural effusion . No pneumothorax .