<prompt> True regarding Barretts oesophagus isBenign coursePremalignant conditionSquamous metaplasia of lower esophagusMedical treatment is useful in preventing malignancy  <response>: Barretts oesophagus is a metaplastic change in the lining mucosa of the oesophagus in response to chronic gastroesophageal reflux. The hallmark of specialised Barretts epithelium is the presence of mucus-secreting goblet cells intestinal metaplasia.High-dose PPI treatment or an antireflux operation, these endoscopic ablation methods can result in a neosquamous lining. But there is no evidence yet that any of these methods are reliable in eliminating cancer risk.Bailey and love 26th edition PG: 1000 