Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral lung volumes are low but the lungs are clear with no signs of consolidation , effusion , or pneumothorax . A small hiatal hernia is again noted , better evaluated on dedicated abdominal CT . Cardiomediastinal silhouette is normal . No acute fractures are identified .
    OUTPUT:
    
Bibasilar atelectasis with no acute cardiopulmonary process .