No abstract available
MeSH terms
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Adenocarcinoma / etiology*
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Adenocarcinoma / pathology
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Aged
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Esophageal Neoplasms / surgery*
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Esophagectomy*
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Humans
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Male
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Middle Aged
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Neoplasms, Second Primary / etiology*
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Neoplasms, Second Primary / pathology
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Stomach Neoplasms / etiology*
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Stomach Neoplasms / pathology