Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there has been interval removal of a right sided PICC line . The cardiomediastinal and hilar contours are within normal limits . Lung volumes remain decreased accentuating the bronchovascular structures . Bibasilar opacities likely represent atelectasis in the setting of low lung volumes . There is no large pleural effusion or pneumothorax . A generator overlying the left chest wall , remains unchanged from prior examination . Note is made of chronic injury to the right distal clavicle .
    OUTPUT:
    
Bibasilar opacities likely represent atelectasis in the setting of low lung volumes .