Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Overall aeration of the lungs appear similar compared to recent radiograph from ___ , though with slightly increased non-specific opacification at the right base . The chronic bibasilar opacities may be related to chronic atelectasis and pleural masses / fluid . Slightly worsening at the right base could be due to progressive atelectasis , increased pleural fluid or superimposed infection / aspiration , worsening disease . Attention on follow - up is recommended . No pneumothorax is identified . There is no evidence of superimposed pulmonary edema . Lung apices are clear . Cardiomediastinal contours are unchanged .
    OUTPUT:
    
Chronic bibasilar opacities likely a combination of pleural thickening / fluid and atelectasis . Slightly increased right basilar opacity is non-specific though could be due to increased atelectasis , effusion or superimposed infection .