Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low with bibasilar atelectasis , left greater than right . There is mild central vascular congestion . The cardiac silhouette is within normal limits . There is no large pleural effusion or pneumothorax . There is no free air under the diaphragm .
    OUTPUT:
    
1 . No free air under the diaphragm . 2 . Low lung volumes with bibasilar atelectasis , left greater than right .