Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a a perhaps very mildly decreased moderate to large left - sided pleural effusion with presumed atelectasis of parts of the lingula and left lower lobe , noting mild leftward shift suggesting volume loss . Small pleural effusion or pleural thickening on the right appears unchanged with opacities at the right lung base suggestive of chronic unchanged round atelectasis . Irregular pulmonary architecture suggest emphysema .
    OUTPUT:
    
Persistent pleural effusions . Emphysema . Heterogeneous opacity seen on the prior chest CT in the left upper lobe is not well assessed , difficult to see on radiographs , so it is not possibly to exclude whether is may persist . Short - term follow - up chest CT is recommended to reassess . Findings and recommendations discussed with Dr . ___ at 12 :30 am on ___ by telephone .