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. 2018 Jan 22;15(4):4255–4261. doi: 10.3892/ol.2018.7840

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Copyright: © Wang et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 1. — Blood-filled caverns unlined by endothelial cells are observed in PNET clinical samples. Hematoxylin and eosin staining images of several PNET samples: (A and E) Insulinoma, (B and F) glucagonoma, (C and G) gastrinoma and (D and H) non-functional PNET. (E-H) Higher magnification of the boxed areas in (A-D). Scale bars for (A) to (D), 1 mm; and for (E) to (H), 50 µm. PNET, pancreatic neuroendocrine tumors.