Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Since the prior study , there has been interval decrease in the previously seen right pleural effusion , which also allows visualization of what appears to be an enlarged right hilus . There is no pneumothorax , focal pneumonia or significant pulmonary edema . The previously demonstrated left mid lung mass is again seen on this study . The heart is top normal in size .
    OUTPUT:
    
Interval decrease in the right pleural effusion with no associated pneumothorax . Right hilar enlargement with no evidence of significant pulmonary edema . Left mid lung mass is unchanged .