Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are unremarkable with the heart size within normal limits . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is visualized . There are degenerative changes noted with thoracic spine with anterior osteophyte formation .
    OUTPUT:
    
No acute cardiopulmonary process .