This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radiotherapy, Subject name: Radiology
[{'content': 'Seminoma is best treated by \nSelect and explain. \nA. Radiation alone, B. Radiation and surgery, C. Radiation and chemotherapy, D. Surgery alone', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (B) Radiation and surgery # Seminomas are radiosensitive and excellent results have been obtained by irradiating stage 1 & stage 2 tumours.> If there is no metastasis ,95%of patients will be alive 5 years after orchidectomy and radiotherapy or chemotherapy. If there is metastasis survival drops to 75%.', 'role': 'assistant'}]