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Barrett’s esophagus, a precursor to esophageal adenocarcinoma, is the focus of current efforts to combat the rapidly rising incidence of this deadly cancer. Barrett’s esophagus is thought to progress from nondysplastic Barrett’s esophagus through low-grade dysplasia and high-grade dysplasia before becoming adenocarcinoma. The risk of esophageal adenocarcinoma is assessed by sampling the affected mucosa through […]