<prompt> Barretts esophagus result in which type of carcinoma:AdenocarcinomaSquamous cellAdenosquamousBasal cell carcinoma  <response>: Barrets esophagus: Intestinal metaplasia of squamous cells of esophagus dt reflux of gastric acid Stratified squamous epithelium of esophagus is replaced by nonciliated columnar epithelium with goblet cells. Increases risk of esophageal adenocarcinoma Interstitial like columnar cell has goblet cells which secrete mucin - identified with stain called Alcian blue 