Predisposing factor for esophageal cancer is all except (LQ)
|C||Caustic alkali burn|
• External beam irradiation but not mediastinal fibrosis is a risk factor for esophageal cancer.
• HPV DNA is found frequently in esophageal squmaous cell carcinoma in high incidence, regions..Robbins 7th/807
• Caustic ingestion, achalasia, bulimia tylosis (an inherited autosomal dominant trait), Plummer-Vinson syndrome, external-beam radiation, and esophageal diverticula all have known associations with squamous cell cancer......Sabiston textbook of surgery 18th edn