No abstract available
MeSH terms
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Adenocarcinoma, Clear Cell / pathology*
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Adenocarcinoma, Clear Cell / surgery
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Adenoma / pathology*
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Adenoma / surgery
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Cell Transformation, Neoplastic
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Colonic Polyps / pathology*
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Colonic Polyps / surgery
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Colonoscopy
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Humans
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Hyperplasia
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Male
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Middle Aged
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Precancerous Conditions / pathology*
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Precancerous Conditions / surgery
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Sigmoid Neoplasms / pathology*
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Sigmoid Neoplasms / surgery