system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All statement about Plummer-Vinson syndrome are true except:
assistant
The correct answer is  (a) Commonly leads to carcinoma in lower third of oesophagus(Ref. Sleisenger Gastrointestinal & Liver Disease, 8th ed.,; 851)Plummer-Vinson syndrome affects the postcricoid area and upper part of oesophagus.