Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal , and hilar contours are normal . Lungs are clear and the pulmonary vascularity is normal . No pleural effusion or focal consolidation is present . There is no pneumothorax . No acute osseous abnormalities seen . Previously described focal density projecting over the posterior aspect of a mid thoracic vertebral body is unchanged and likely related to overlapping osseous structures .
    OUTPUT:
    
No acute cardiopulmonary abnormality .