Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . Degenerative changes with anterior osteophytes are noted within the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .