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. 2018 Jun 30;12:185. doi: 10.1186/s13256-018-1733-9

Fig. 2.

Fig. 2

Well-differentiated neuroendocrine tumor with solid tumor cell aggregates; hematoxylin and eosin (a) exhibiting intensive cytoplasmic staining for synaptophysin (b), and nuclear staining for Ki-67 in less than 2% of the tumor cells (c)