Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are unchanged , tortuosity and dilatation of the thoracic aorta again noted . The heart size is normal . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . Traumatic deformity of right posterior fifth rib is again seen , as well as mild loss of height of a low thoracic vertebral body . No pneumothorax or pleural effusion is present . The pulmonary vascularity is not engorged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .