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. 2020 Aug 25;12:7813–7826. doi: 10.2147/CMAR.S262567

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© 2020 Weng et al.

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Pre- and post-operative MRI and high-definition endoscopic images. (A) Pre-operative MRI shows that the tumor is located in the right pharyngeal recess (red arrow). (B) Pre-operative MRI shows that lymph node (LN) metastases is located in the right side of the neck (red arrow). (C, D) The post-operative MRI did not show tumor residual. (E) Pre-operative endoscopic examination shows the tumor is located in the left nasopharynx. (F) Pre-operative endoscopic examination shows the tumor is located in the right nasopharynx. (G, H) The post-operative endoscopic examination images show no visible tumor residual.