No abstract available
MeSH terms
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Adenocarcinoma / pathology
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Carcinoma in Situ / pathology
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Digestive System Neoplasms / classification*
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Digestive System Neoplasms / pathology
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Esophagogastric Junction / pathology
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Humans
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Liver Neoplasms / pathology
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Neoplasm Staging*
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Neuroendocrine Tumors / classification*
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Neuroendocrine Tumors / pathology
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Pancreatic Neoplasms / pathology
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Precancerous Conditions / pathology
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World Health Organization