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': 'Women with Plummer Vinson develops which cancer ? \nSelect and explain. \nA. Pyriform fossa, B. Esophagus, C. Subglottis, D. Epiglottis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]