Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate size right effusion with underlying atelectasis and / or consolidation . This is mildly improved from comparison study . There is a linear retrocardiac opacity in the left base which most likely represents atelectasis . This is unchanged from prior study . There is a mild left effusion . This is improved from prior study Heart size is borderline enlarged . There is no evidence of pneumothorax .
    OUTPUT:
    
1 . Moderate size right effusion with underlying atelectasis unchanged from chest x-ray ___ . 2 . Linear retrocardiac opacity in the left base which is most likely atelectasis and unchanged from chest x-ray ___ .