Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top - normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is present . No acute osseous abnormalities are noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .