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': 'Commonest cancer in burn scar is \nSelect and explain. \nA. Squamous cell carcinoma, B. Fibrosarcoma, C. Adenocarcinoma, D. Adenosquamous carcinoma', 'role': 'user'}, {'content': "Answer: A \nExplanation: The commonest cancer associated with burns is squamous cell carcinoma. This is also known as marjolin's ulcer and this malignancy sta from the scar tissue of burns. Treatment is wide local excision, in case of large ulcer, amputation is required. Reference : SRB's Manual of Surgery, 6th Edition, page no = 283.", 'role': 'assistant'}]