Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . Mediastinal and hilar contours are unchanged , with mild atherosclerotic calcification noted at the aortic arch . Pulmonary vascularity is normal . Lungs are clear . No pleural effusion or pneumothorax is present . Multilevel degenerative changes are seen in the thoracic spine . Linear radiopaque density is again visualized in the soft tissues of the right neck .
    OUTPUT:
    
No acute cardiopulmonary abnormality .