Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear , the cardiomediastinal silhouette and hila are normal . There is no pleural effusion and no pneumothorax . There is a healed right rib fracture . There is superior endplate depression fracture of a mid thoracic vertebral body , likely chronic .
    OUTPUT:
    
1 . No acute cardiothoracic process . 2 . Superior endplate depression fracture of a mid thoracic vertebral body , of unknown chronicity .