This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oesophagus, Subject name: ENT
All statement about Plummer-Vinson syndrome are true except: 
Select and explain. 
A. Commonly leads to carcinoma in lower third of oesophagus, B. Common with iron deficiency, C. Common in females, D. Premalignant
A: Commonly leads to carcinoma in lower third of oesophagus
Answer: A: Commonly leads to carcinoma in lower third of oesophagus 
Explanation: (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.