Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is bibasilar atelectasis . The cardiomediastinal silhouette , hila contours , and pleural surfaces are normal . There is no pleural effusion or pneumothorax . No definite osseous abnormality is identified .
    OUTPUT:
    
Bibasilar atelectasis . No definite rib fractures identified . Please note the conventional radiograph has poor sensitivity for detecting osseous abnormalities .