This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'Basal cell carcinoma spread by \nSelect and explain. \nA. Lymphatics, B. Haematogenous, C. Direct spread, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Basal cell carcinoma - Spread BCC usually spread by local invasion, rarely metastasizes Rodnet ulcer: It gradually destroys the tissues, it comes in contact with Lymphatic spread is not seen (Regional lymph nodes are not enlarged) Blood spread is extremely rare Ref: Sabiston 20th edition Pgno :748', 'role': 'assistant'}]