All are the predisposing factors for carcinoma esophagus except
Risk factors for SCC:SmokingAlcoholIngested carcinogens Chronic AchalasiaLye (caustic) ingestionLong-term ingestion of hot liquidsPlummer Vinson syndromeTylosis palmaris et plantarisHuman papilloma virusEsophageal diveiculaDeficiency: Vitamin A, zinc, molybdenumRef: Harrison; 19th edition
Achalasia
Tylosis palmaris
Zenker's diveiculum
Ectodermal dysplasia
C.V.S