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. 2022 Dec 23;72(6):1603–1618. doi: 10.1007/s00262-022-03346-7

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Fig. 2 — Graphic representation of tumor areas selected for semiquantitative evaluation. Circles are 500 µm in diameter and represent a 40 × HPF. Tissue stained with H&E (A). Representative examples of immunohistochemical staining for CD4, CD8 and FOXP3. All examples are from the invasive margin (B). Scale bars = 250 µm