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![Syndrome of inappropriate antidiuresis in prostate adenocarcinoma with neuroendocrine differentiation: a case report and literature review](https://image.oaes.cc/59af416f-97ad-49ec-8baa-e48ecabb68bb/3177.fig.4.jpg)
Figure 4. A: Liver metastasis at low magnification (H&E); B: Liver metastasis at high magnification showing small cell carcinoma (H&E); C: Liver metastasis showing diffuse positivity for synaptophysin (immunohistochemistry); D: Liver metastasis showing high proliferation rate (Mib1, immunohistochemistry)