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': 'In the acronym "SWELLING" used for thehistory and examination of a lump or swelling,the letter \'N\' stands for - \nSelect and explain. \nA. Nodes, B. Noise (Thrill/bruit), C. Numbness, D. Neurological effects', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Noise (Thrill/bruit)", 'role': 'assistant'}]