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Pancreas – Neuroendocrine tumor (insulinoma) with strong C-peptide staining of all tumor cells |
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Pancreas – Neuroendocrine tumor with many intermingled C-peptide positive cells |
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Pancreas – Neuroendocrine tumor with numerous intermingled cells showing strong C-peptide staining |
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Penis – C-peptide negative squamous cell carcinoma |
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