Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . Mediastinal and hilar contours are unremarkable . Lungs are clear . No pleural effusion , focal consolidation or pneumothorax is present . Moderate degenerative changes are noted in the thoracic spine as well as within the right acromioclavicular joint .
    OUTPUT:
    
No acute cardiopulmonary abnormality .