Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , there is a new moderate left - sided pleural effusion . There is persistent small right - sided pleural effusion with adjacent atelectasis . Superiorly the lungs are clear . Atherosclerotic calcifications noted at the aortic arch . Hypertrophic changes noted in the spine .
    OUTPUT:
    
New moderate left pleural effusion . Persistent small right pleural effusion with adjacent atelectasis .