Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mildly enlarged but unchanged . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . Lungs are hyperinflated with emphysematous changes again noted at the apices . Linear opacities are again noted within both lower lobes , perhaps slightly worse in the interval on the right , most likely reflective of atelectasis . No pleural effusion , new focal consolidation or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Bibasilar atelectasis , perhaps slightly worse on the right in the interval .