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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/).
Haematoxylin-eosin staining showing the tumour tissue microenvironment of a breast carcinoma and different types of cells, including tumour cells, immune cells and adipocytes—as well as stroma and blood vessel. Scale bar: 100 μm.