No abstract available
MeSH terms
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Aged
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Biomarkers, Tumor / blood
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Carcinoembryonic Antigen / blood*
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Colorectal Neoplasms / blood
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Colorectal Neoplasms / diagnosis*
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Colorectal Neoplasms / drug therapy
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Humans
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Male
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Neoplasm Recurrence, Local / blood
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Neoplasm Recurrence, Local / diagnosis*
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Neoplasm Recurrence, Local / drug therapy
Substances
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Biomarkers, Tumor
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Carcinoembryonic Antigen