Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is continued mild increase in interstitial markings bilaterally suggesting moderate pulmonary edema . There is an opacity along the lateral left mid - to - lower hemithorax which may be due to pleural thickening , also seen on the prior study . Superomedial to this , there is patchy opacity in the left mid lung seen on the prior study , although new since ___ . There may be trace bilateral pleural effusions as blunting of the posterior costophrenic angles is seen on the lateral view . No pneumothorax is seen . There has been interval decrease in right base opacity . The cardiac and mediastinal silhouettes are stable and unremarkable . Previously seen dense calcifications over the mid mediastinum are no longer seen . Left axillary stent is also not seen , but may not be included on the image .
    OUTPUT:
    
1 . Mild - to - moderate interstitial pulmonary edema . 2 . Interval decrease in right base opacity . 3 . Left mid - to - lower lung opacity which may represent loculated pleural effusion or possibly pleural thickening with pulmonary opacity has persisted since ___ . The findings may relate to loculated pleural effusion or other pulmonary lesion . Given that findings have persisted since ___ , recommend chest CT followup .