Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to chest radiographs dated ___ , small right pleural effusion has mildly improved . Tiny left pleural effusion is stable . Opacification in the right lower lobe is consistent with pneumonia and unchanged . Left basilar opacities have minimally improved in are suggestive of atelectasis . Lungs are hyperinflated , suggesting emphysema . No pneumomediastinum . No pneumothorax . There is no central vascular congestion or overt pulmonary edema . Cardiomediastinal silhouette is stable .
    OUTPUT:
    
1 . No pneumomediastinum . 2 . Persistent opacification in the right lower lobe , consistent with pneumonia . 3 . Minimally improved left basilar opacities , likely atelectasis . 4 . Mildly improved small right pleural effusion . Persistent tiny left pleural effusion .