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Figure 1 CD34 positive stromal cells in diffuse-type advanced gastric adenocarcinoma tissue. Staining for (A) CD34, (B) CD31, and (C) low molecular weight cytokeratins (LMW-CKs). Large numbers of CD34 positive stromal cells are detected in the tumour stroma. Immunoreactivity for CD31 is shown to distinguish CD34 positive stromal cells from vascular endothelial cells. Immunoreactivity for LMW-CKs is shown to recognise the diffuse-type gastric adenocarcinoma cells.
