<prompt> The following are predisposing factors for esophageal Ca Except -Plummer-Vinson syndromeTylosis palmarisChronic AchalasiaBenzene therapy  <response>: Predisposing factors for Ca Esophagus For AdenocarcinomaChronic gastric reflux i,e Barretts esophagusFor Squamous cell CaAlcoholCigaretteMucosal damage from physical agents Hot tea, Lye ingestion, Radiation-induced strictures, Chronic achalasiaOther ingested carcinogens Nitrates, Smoked opiates, Fungal toxins in pickled vegetablesPlummer -Vinson - Paterson Kelly syndrome Esophageal Web glossitis Iron deficiency Tylosis palmaris et plantaris Congenital hyperkeratosis and pitting of palms and solesDietary deficiencies of molybdenum, Zinc, Vitamin A.Celiac sprueChronic AchalasiaFollowing information has been added in 8the of Robbins Human papillomavirus HPV infection has also been implicated in esophageal squamous cell carcinoma in high-risk areas but not in low-risk regions. 