Predisposing factors for esophagal cancer is all except: (A) Mediastinal fibrosis, (B) Diveicula, (C) Caustic alkali burn, (D) HPV
Answer is A. Refer Robbins page no 758-759 External beam irradiation but not mediastainal fibrosis is a risk factor for esophagal cancer *HPV DNA is found frequently in esophagal squamous cell carcinoma in high incidence