Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Extensive right pleural thickening is re - demonstrated . A moderate right pleural effusion is perhaps minimally increased in size from ___ . Pulmonary opacity at the base of the right lung likely represents atelectasis . Mild pulmonary edema is improved from ___ . The cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
Right - sided pleural thickening and a moderate right pleural effusion are demonstrated . The right effusion may be minimally increased from the prior examination on ___ . Mild pulmonary edema is improved from the prior exam .