This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological oncology, Subject name: Gynaecology & Obstetrics
[{'content': 'Treatment of Ca cervix stage IB includes : \nSelect and explain. \nA. Surgery, B. Chemotherapy, C. Radiotherapy, D. Cryotherapy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Stage IB management Radical hysterectomy with Pelvic lymphadenectomy and Paraaoic lymph node evaluation External radiation if the nodes are positive Primary radiotherapy with concomitant platinum based chemotherapy Reference: D.C.DUTTA&;S TEXTBOOK OF GYNAECOLOGY; 6th edition; Pg no:351', 'role': 'assistant'}]