Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low which causes bronchovascular crowding and bibasilar atelectasis . No pleural effusions or pneumothoraces . Cardiac , mediastinal and hilar contours are unremarkable . No pulmonary edema is present .
    OUTPUT:
    
Low lung volumes with probable bibasilar atelectasis . A follow up exam with improved inspiratory effort can provide better assessment of the lung bases .