Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Compared to prior study from 2 days ago , there is significant decrease in extent of right pleural effusion . Small amount of pleural effusion still persists . Right lung base opacity reflects reexpansion pulmonary edema . There is no pneumothorax . Left lung is clear . Cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
Significant decrease in extent of right pleural effusion .