This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Carcinoma Cervix, Subject name: Gynaecology & Obstetrics
[{'content': "Treatment of stage III B carcinoma cervix is: \nSelect and explain. \nA. Wertheim procedure, B. Schauta's procedure, C. Chemotherapy, D. Intracavitary brachytherapy followed by external beam RT", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is d, i.e. Intracavitary brachytherapy followed by external beam RT.Ref: Novak 14th/ed, p1436, 1427; Shaw 15th/ed, p414The best treatment for stage III B of invasive cancer is chemoradiation. Since this option is not given - we will go for next best option, i.e. RadiotherapyGenerally from stage II a-IV A when radiotherapy is given - external beam pelvic radiation precedes brachytherapy. But again since we don't have this option, we are going for vice versa (which is not incorrect).", 'role': 'assistant'}]