<prompt> Barretts esophagus - true statementEndoscopic surveillance with biopsy every 2 yearsHelicobacter pylori triple therapyProton pump inhibitorHistamine antagonist  <response>: Barretts oesophagusMetaplasia of oesophageal squamous epithelium into columnar in distal oesophagus.Due to severe reflux oesophagitis.It requires both endoscopically visible segment of columnar lining of distal oesophagus and intestinal metaplasia showing goblet cells on biopsy.More commonly men, whites and with increasing age.Premalignant condition for adenocarcinoma of oesophagus.Types of barret esophagusIntestinal typeMC typeJunctional typeFundic typeComplicationsChronic peptic ulcerationBarrett;s ulcerHigh and long stricturesRefer: Sabistons Textbook of Surgery, 19th edition, pg no: 1033-1036 