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: Surgery
[{'content': 'The nerve of Kuntz is an impoant landmark in ? \nSelect and explain. \nA. Lumbar sympathectomy, B. Cervicodorsal sympathectomy, C. Obturator neurectomy, D. Splanchnicectomy', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Cervicodorsal sympathectomy", 'role': 'assistant'}]