This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bleeding from the GUT and diseases of esophagus, Subject name: Medicine
[{'content': 'All are true about Plummer Vinson syndrome except: \nSelect and explain. \nA. Esophageal webs, B. Premalignant, C. Common in elderly male, D. Dysphagia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Plummer-Vinson syndrome or Sideropenic dysphagia, Postmenopausal women triad of post cricoid dysphagia from: Esophageal webs, Iron deficiency anemia with beefy-red tongue due to atrophic glossitis Koilonychia It is a premalignant condition with increased risk of squamous cell carcinoma of esophagus.', 'role': 'assistant'}]