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Radiofrequency ablation for Barrett's oesophagus. (A) Endoscopic image of the residual Barrett's oesophagus epithelium (asterisks) after previous endoscopic mucosal resection. (B) RFA90 device used for focal ablation of Barrett's epithelium. Arrowhead shows the area of single ablation with the RFA90 device. (C) Subsequent ablations are made to treat the whole remaining area of Barrett's epithelium. Patients provided written consent for the images to be used for educational purposes.
