Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval decrease of left pleural effusion , still with band - like opacity compatible with atelectasis . Patchy opacities are still visible in the right upper lung and correlates with ground - glass opacity described in recent chest CT . Left lung is clear without pleural effusion . Heart size is mildly enlarged . There is no pneumothorax .
    OUTPUT:
    
Interval decrease of right pleural effusion , with still residual small atelectasis . Persistent patchy opacities in the right upper lobe .