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: Pathology
[{'content': "Carcinoma with no or minimal metastasis - \nSelect and explain. \nA. Squamous cell carcinoma, B. Basal cell carcinoma, C. Melanoma, D. Leydig's cell carcinoma", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e.,Basal cell carcinoma "Basal cell carcinoma can be locally destructive, but only exceptional repos of cases with metastatic behavior exist in literature."', 'role': 'assistant'}]