Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are persistent small bilateral pleural effusions . Bibasilar opacities are similar compared to prior . There is no pulmonary edema . Cardiac silhouette is enlarged but stable . Atherosclerotic calcifications are seen at the aortic arch .
    OUTPUT:
    
Small bilateral pleural effusions . Persistent bibasilar opacities which could be due to combination of atelectasis and / or infection .