Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The previously seen pulmonary edema has decreased . There is a small right pleural effusion which is difficult to see on prior studies . No left pleural effusion . The right middle lobe pneumonia is slightly decreased . There is no pneumothorax . Some patchy opacities in the right upper lobe anteriorly are unchanged .
    OUTPUT:
    
Small right pleural effusion . Right middle lobe and right upper lobe opacities likely representing pneumonia are slightly decreased compared to prior study however this may be due to a better inspiration .