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: Surgery
[{'content': 'Not true about plummer vinson syndrome is ? \nSelect and explain. \nA. Occurs in elderly males, B. Post cricoid Web, C. Predispose to hypopharynx malignancy, D. Koilonychia', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Occures in elderly males", 'role': 'assistant'}]