Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable , with mild cardiomegaly . Again seen are moderate - sized pleural effusions bilaterally , with associated bibasilar atelectasis , unchanged since the prior study . No evidence of pulmonary edema . No pneumothorax is detected . A left - sided AICD device is seen with the leads in the expected position of the right atrium and right ventricle .
    OUTPUT:
    
Moderate bibasilar effusions , not significantly changed since the earlier study of ___ .