No abstract available
MeSH terms
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Aged, 80 and over
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Endoscopy, Digestive System
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Endosonography
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Esophageal Neoplasms / diagnosis*
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Esophageal Neoplasms / pathology*
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Esophagus / pathology*
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Histocytochemistry
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Humans
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Male
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Mammary Analogue Secretory Carcinoma / diagnosis*
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Mammary Analogue Secretory Carcinoma / pathology*
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Microscopy