No abstract available
MeSH terms
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Aged
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Biopsy
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Carcinosarcoma / diagnosis
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Carcinosarcoma / pathology*
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Deglutition Disorders / etiology*
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Diagnosis, Differential
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Esophageal Neoplasms / complications
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Esophageal Neoplasms / diagnosis*
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Esophageal Neoplasms / pathology
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Esophagoscopy*
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Humans
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Male