Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . Since the prior study , there is interval improvement of right pleural effusion . There is also evidence of right middle lobe atelectasis with associated volume loss . The previously seen left lower lobe atelectasis is improved since the prior study . There is no pneumothorax . Cardiac size is unchanged .
    OUTPUT:
    
Improved right pleural effusion and left lower lobe atelectasis with persistent right middle lobe atelectasis and volume loss . No pneumothorax .