No abstract available
MeSH terms
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Adenocarcinoma / diagnosis*
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Adenocarcinoma / secondary
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Adenocarcinoma / surgery
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Colonoscopy
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Humans
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Lymph Node Excision
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Lymph Nodes / pathology*
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Lymphatic Metastasis
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Male
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Middle Aged
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Occult Blood
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Sigmoid Neoplasms / diagnosis*
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Sigmoid Neoplasms / pathology
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Sigmoid Neoplasms / surgery