Research Article

Endoscopic Detection of Early Esophageal Squamous Cell Carcinoma in Patients with Achalasia: Narrow-Band Imaging versus Lugol's Staining

Figure 2

Esophageal lesion with flat morphology (0-IIb according to Paris Classification). (a) Conventional examination. (b) Narrow-band imaging. (c) Lugol’s staining.
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(a)
736756.fig.002b
(b)
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(c)