This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Treatment of choice in a postmenopausal lady with atypical endometrial hyperplasia is ; \nSelect and explain. \nA. Estrogens, B. Hysterectomy, C. Progestogens, D. Radiotherapy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hysterectomy', 'role': 'assistant'}]