<prompt> True statement about Barretts esophagus?Endoscopic surveillance with biopsy every 2 yearsHelicobacter pylori triple therapyProton pump inhibitorHistamine antagonist  <response>: Barretts esophagusMetaplasia of oesophageal squamous epithelium into columnar in the distal esophagus.Due to severe reflux oesophagitis.It requires both endoscopically visible segment of the columnar lining of the distal esophagus and intestinal metaplasia showing goblet cells on biopsy.More commonly men, whites and with increasing age.A premalignant condition for adenocarcinoma of the esophagus 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 