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. 2019 Nov 6;14(11):e0224726. doi: 10.1371/journal.pone.0224726

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© 2019 Afkhami et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 3 — (A) H&E stained image of representative metaplastic carcinoma (spindle cell subtype) (original magnification 40X). (B) CD3 immunostain, highlighting T cells (original magnification 40X). (C) Combined CD8 (brown chromogen) and CD4 (red chromogen) immunostain (original magnification 40X). (D) PD-L1 immunostain (original magnification 40X).