Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large right pleural effusion is unchanged in size , with adjaent atelectasis of the right middle and lower lobe . The previously seen pulmonary venous congestion and interstitial edema has improved . Nonspecific right apical scarring is again seen .
    OUTPUT:
    
No change in large right pleural effusion . Improved interstitial edema .