Journal of Surgical Ultrasound

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Fig. 9.

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Fig. 9. The three segments of the anal canal. (A) The three segments consist of the upper anal canal, mid-anal canal, and distal anal canal. (B) Detailed structures are shown.
J Surg Ultrasound 2024;11:7-17 https://doi.org/10.46268/jsu.2024.11.1.7
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