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': 'Stereotactic Radiotherapy is used in – \nSelect and explain. \nA. Miliary Lung Metastasis, B. Inoperable Stage 1 Lung Tumor, C. Lymphangitis Carcinomatosa, D. Tumor at the base of tongue with new Lymph Node enlargement', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]