Research Article

Learning Curve in a Western Training Center of the Circumferential En Bloc Esophageal Endoscopic Submucosal Dissection in an In Vivo Animal Model

Figure 1

Procedure: (a) artificial lesion marked with coagulation points; (b) injection of normal saline with epinephrine and indigo carmine; (c) and (d) hook knife cutting and sweeping off around the lesion.
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(a)
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(b)
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(c)
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(d)