Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , leading to crowding of the bronchovascular structures . Bibasilar atelectasis is noted . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is unchanged in appearance .
    OUTPUT:
    
Low lung volumes and bibasilar atelectasis . No lobar consolidation or pleural effusion .