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': 'Scar in lung tissue develops into: \nSelect and explain. \nA. Adenocarcinoma, B. Oat cell carcinoma, C. Squamous cell carcinoma, D. Columnar cell carcinoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Squamous cell carcinoma', 'role': 'assistant'}]