No abstract available
MeSH terms
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Aged
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Carcinosarcoma / pathology
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Carcinosarcoma / surgery*
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Deglutition Disorders
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Endoscopy, Gastrointestinal / methods*
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Esophageal Neoplasms / pathology
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Esophageal Neoplasms / surgery*
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Humans
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Male
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Mucous Membrane / surgery