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Corresponding tissue staining of the patients shown in Fig. 1: Shown is a conventional hematoxylin/eosin staining, staining for cytokeratin and for PMN, the latter identified by expression of CD15 and azurocidin (reddish-brown). Abbreviations: CD15: cluster of differentiation antigen 15; D: structural diffusion coefficient; HE: hematoxylin and eosin.
