Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . Bibasilar atelectasis / scarring is similar to the prior study . Asymmetry of the rib cage is similar compared to the prior study . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Low lung volumes and bibasilar atelectasis / scarring . No significant interval change as compared to the prior study . ___ , MD