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': "Precancerous potential in Plummer- Vinson's syndrome may be due to change in the epithelium like: \nSelect and explain. \nA. Atrophy, B. Hypertrophy, C. Acanthosis, D. All the above", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]