Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low bilateral lung volumes . There is bibasilar atelectasis , not significantly changed from prior . Small bilateral layering pleural effusions are noted . No discrete pneumothorax . The size and appearance of the cardiac silhouette is unchanged . A right chest wall power injectable port is present with the tip projecting over the upper right atrium . Two right sided chest tubes are present .
    OUTPUT:
    
No significant interval change since the prior study . No discernible pneumothorax identified .