This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neoplasia, Subject name: Radiology
[{'content': 'Which of the following is the most Radiosensitive ovarian tumours : \nSelect and explain. \nA. Dysgerminoma, B. Dermoid cyst, C. Serous cyst adenoma, D. Endodermal sinus tumour', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e. Dysgerminoma [Reference Shaws, 12/e, p318, S. Bhadury, essentials of radiology and imaging, 1/e, p5021Dysgerminoma corresponds to seminoma of the tests and one is very well aware that seminomas are highly radiosensitive tumors.List of highly radiosensitive tumorsLymphoma*Seminoma*Myeloma*Ewing's Sarcoma *Wilm's Tumor*", 'role': 'assistant'}]