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': 'Radical hysterectomy is done in which one of the following : \nSelect and explain. \nA. Carcinoma in situ, B. Endocervix cancer stage IA, C. Microinvasive carcinoma of cervix, D. Carcinoma cervix stage IB', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Carcinoma cervix stage IB', 'role': 'assistant'}]