Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no consolidation , pleural effusion or pneumothorax . Note is made of centrilobular emphysema . Heart size is normal . Thoracic aortic stent graft appears unremarkable in position when compared to the more recent CTA dated ___ . A compression deformity involving a lower thoracic vertebral body is unchanged . Otherwise , no acute osseous abnormalities .
    OUTPUT:
    
Aortic stent in place . No acute intrathoracic process .