Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior chest radiograph , the lungs appear better aerated , without new focal consolidation , pleural effusion , or pneumothorax . Bibasilar atelectasis is mild . Elevation of the left hemidiaphragm is unchanged . Cardiomediastinal and hilar silhouettes are also unchanged . An old fracture of the left posterior lateral fourth rib is unchanged in appearance since ___ . The mid thoracic compression deformity is also unchanged since that time .
    OUTPUT:
    
No new focal consolidation or pneumothorax .