Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . The mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is visualized . Moderate multilevel degenerative changes are noted in the thoracic spine . Partially imaged is a surgical anchor in the right humeral head .
    OUTPUT:
    
No acute cardiopulmonary abnormality .