Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are unremarkable and stable since the most recent examination . No focal consolidation is present . There is no pleural effusion or pneumothorax . Stable compression deformity of a mid thoracic vertebral body is noted .
    OUTPUT:
    
No evidence of infection .