Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Lungs are clear . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . Mild loss of height of a mid thoracic vertebral body is unchanged . No displaced rib fractures are identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No displaced rib fractures are seen , but if there is continued concern for a rib fracture , a dedicated rib series is recommended .