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Malignant mesothelioma with strong cytokeratin 19 positivity. |
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Neuroendocrine tumor with strong cytokeratin 19 positivity in all cells. |
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Papillary carcinoma of the thyroid with strong cytokeratin 19 immunostaining. |
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Serous ovarian carcinoma with intense cytokeratin 19 staining in all cells. |
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