Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are significantly lower than on the earlier exam which contribute to bibasilar vascular crowding and atelectasis . No focal consolidations concerning for pneumonia . Cardiac size is normal . Hilar contours are unremarkable . No pleural effusion or pneumothorax .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis .