WATS for Barrett's surveillance

We appreciate the editorial by Drs. Canto and Montgomery1 related to our article2 focused on wide-area transepithelial sampling (WATS) that showed a 4-times increase in the detection of high-grade dysplasia (HGD) and cancer in patients with Barrett's esophagus (BE) as part of our multicenter trial. The authors of this editorial make many reasonable statements regarding the limitations related to sampling of BE mucosa, including some of the limitations related to WATS. In particular, the authors note a disagreement with regard to the diagnosis of dysplasia in some of the figures in our article.

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