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: Radiology
[{'content': 'Most radiosensitive tumor among the following is \nSelect and explain. \nA. Bronchogenic carcinoma, B. Parotid carcinoma, C. Dysgerminoma, D. Osteogenic sarcoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: A dysgerminoma is a type of germ cell tumor; it usually is malignant and usually occurs in the ovary.\nA tumor of the identical histology but not occurring in the ovary may be described by an alternate name: seminoma in the testis or germinoma in the central nervous system or other parts of the body.', 'role': 'assistant'}]