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. 2018 Sep 12;6:89. doi: 10.1186/s40425-018-0394-y

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© The Author(s). 2018

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. 1 — a H&E staining of the primary urothelial tumor (40X magnification). b Immunohistochemistry (IHC) reveals strong staining of AFP in the primary resection specimen (40X magnification). c Staining for PD-L1 shows very strong expression in more than 50% of cancer cells (40X magnification)