- Video: Endoscopic mucosal resection
- Video: Esophagectomy
- Video: Photodynamic therapy of the esophagus
- Video: Radiofrequency ablation of the esophagus
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In Barrett's esophagus, normal esophageal cells are replaced with abnormal cells. Barrett's esophagus is thought to be caused by long-standing gastroesophageal reflux disease (GERD), which causes stomach contents to back up into the esophagus.