This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oncology, Subject name: Surgery
[{'content': "Which of the following is the most radiosensitive tumor? \nSelect and explain. \nA. Ewing's sarcoma, B. Hodgkin's disease, C. Carcinoma cervix, D. Malignant fibrous histiocytoma", 'role': 'user'}, {'content': "Answer: A \nExplanation: Among the given options, most radiosensitive tumor is Ewing's sarcoma. Most radiosensitive ovarian tumor DysgerminomaQ Most radiosensitive brain tumor MedulloblastomaQ Most radiosensitive kidney tumor Wilms tumorQ Most radiosensitive bone tumor Ewing's sarcomaQ & Multiple myelomaQ", 'role': 'assistant'}]