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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
IHC patterns of CXCR2 staining in invasive breast cancers. (A) breast tumor with a low number of CXCR2-positive cells. (B) breast tumor with a high density of CXCR2-positive cells. Magnification 100×.