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: Pathology
[{'content': 'Most common radiosensitive ovarian tumour ? \nSelect and explain. \nA. Dysgerminoma, B. Granulosa cell tumour, C. Teratoma, D. Theca cell tumour', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Dysgerminomao Dysgerminomas are extremely radiosensitive, and even those that have extended beyond the ovary can generally be controlled by radiotherapy.", 'role': 'assistant'}]