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. 2020 Jan 24;13(3):e008303. doi: 10.1161/CIRCEP.119.008303

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© 2020 The Authors.

Circulation: Arrhythmia and Electrophysiology is published on behalf of the American Heart Association, Inc., by Wolters Kluwer Health, Inc. This is an open access article under the terms of the Creative Commons Attribution Non-Commercial-NoDerivs License, which permits use, distribution, and reproduction in any medium, provided that the original work is properly cited, the use is noncommercial, and no modifications or adaptations are made.

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Figure 6. — Esophageal histology: pulsed field ablation (PFA) cohort. A, Shown are all 4 layers of the esophageal wall after PFA: tunica mucosa, tunica submucosa, tunica muscularis, and the outer most layer, tunica adventitia. These are all normal along the entire circumference of the esophagus. In particular, there is no evidence of ablation lesions in the outer layers of the tunica muscularis. B, In this zoomed view (10×) of the tunica adventitia, there are normal vessels and nerve fascicles with no evidence of fibrosis or inflammation. Masson trichrome stain.