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Lung – NKX21 negative malignant mesothelioma (epitheloid). Strong NKX21 positivity is seen in interspersed normal cells |
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Lung – NKX21 negative malignant mesothelioma (epitheloid) |
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Lung – NKX21 negative squamous cell carcinoma |
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Pancreas – Neuroendocrine tumor with NKX21 staining of variable intensity in tumor cells |
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