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. 2020 Feb 8;15:14. doi: 10.1186/s13000-020-00929-9

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© The Author(s) 2020

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Immunostaining of FoxM1, β-catenin, TCF4 and E-cad in ESCC and control tissues (X 400 magnification). a Positive staining of FoxM1 in the nucleus and cytoplasm of tumor cells. b Negative staining of FoxM1 in control tissues. c Positive staining of β-catenin in the nucleus and cytoplasm of tumor cells. d Negative staining of β-catenin in control tissues. e Positive staining of TCF4 in the nucleus of tumor cells. f Negative staining of TCF4 in control tissues. g Negative staining of E-cadherin in tumor cells. h Positive staining of E-cadherin in the membrane and cytoplasm of control tissues