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': "Which of the following cutaneous malignancies do not metastasize through the lymphatics - \nSelect and explain. \nA. Squamous cell carcinoma, B. Basal cell carcinoma, C. Melanoma, D. Kaposi's sarcoma", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Basal cell carcinoma spreads by local invasion. Lymphatic spread is not seen, and regional lymph nodes are not enlarged.', 'role': 'assistant'}]