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: Medicine
[{'content': "A patient with Hodgkin's lymphoma is having a single cervical lymphnode. Biopsy showed lymphocyte predominant variant. Which of the following is the treatment of choice- \nSelect and explain. \nA. Chemotherapy with Radiotherapy, B. Chemotherapy only, C. Radiotherapy only, D. No treatment needed", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]