Inclusion / Exclusion Criteria

Inclusion Criteria:

• Barrett's esophagus with high grade dysplasia or intramucosal (early) adenocarcinoma.
• BE length ≥ 2 cm and ≤ 8 cm.
• Able to return every 3 months for one year after ablation

Exclusion Criteria:

• Patients who are unable to be compliant with follow-up endoscopies
• patients who cannot tolerate Proton Pump inhibitors
• pre-existing esophageal strictures
• pregnant or nursing women