No abstract available
MeSH terms
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Adenoma / pathology*
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Adenoma / surgery
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Angiodysplasia / pathology*
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Angiodysplasia / surgery
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Colon, Sigmoid / pathology*
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Colon, Sigmoid / surgery
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Colonoscopy
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Epithelial Cells / pathology*
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Humans
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Immunohistochemistry
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Male
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Middle Aged
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Sigmoid Neoplasms / pathology*
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Sigmoid Neoplasms / surgery