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': "True about marjolin's ulcer is all except \nSelect and explain. \nA. Locally maligant, B. Spread to local lymph nodes, C. Painless ulcer, D. Squamous cell carcinoma", 'role': 'user'}, {'content': 'Answer: B \nExplanation: As there are no lymphatics in the scar of burns, there is no spread to lymph nodes.', 'role': 'assistant'}]