<prompt> Tumor seen in Barrets EsophagusAdenocarcinomaSquamous cell cancerMelanomaBasal Cell Carcinoma  <response>: Ans. a AdenocarcinomaRef: Surgery Sixer 3rd Edition Page 330Predisposing factors of Esophageal Adenocarcinoma: GERD Barrets Esophagus Obesity Scleroderma High Protein Diet and Fat Diet SmokingNote: H. pylori producing cag -A toxin is protective against Adenocarcinoma of Esophagus 