Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ radiograph , cardiomediastinal contours are stable . Lungs are well - expanded and clear . There are no pleural effusions . Multiple compression deformities in the spine appear similar to the prior radiograph , and post vertebroplasty changes are again demonstrated in the mid thoracic spine
    OUTPUT:
    
No radiographic evidence of pneumonia .