No abstract available
MeSH terms
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Aged
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Carcinoma, Squamous Cell / pathology*
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Carcinoma, Squamous Cell / surgery
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Esophageal Neoplasms / pathology*
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Esophageal Neoplasms / surgery
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Esophageal Squamous Cell Carcinoma
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Esophagoscopy / methods*
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Humans
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Male
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Narrow Band Imaging*
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Neoplasm Invasiveness