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Retrospective Study
©The Author(s) 2025.
World J Gastrointest Endosc. Oct 16, 2025; 17(10): 108729
Published online Oct 16, 2025. doi: 10.4253/wjge.v17.i10.108729
Figure 1
Figure 1 Normal appearance of the anal canal. A: Frontal view of anal canal, pecten, and dentate line; B: Anoscopy, anal transitional zone, and dentate line (lugol); C: Rectal retroflexion of the anorectal junction, anal transitional zone, dentate line (yellow), and pecten; D: Rectal retroflexion of the anorectal junction, anal transitional zone, dentate line, and pecten (lugol). ATZ: Anal transitional zone.


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