No abstract available
MeSH terms
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Carcinoma, Squamous Cell / genetics
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Carcinoma, Squamous Cell / pathology
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Carcinosarcoma / genetics
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Carcinosarcoma / pathology*
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DNA Mutational Analysis
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Esophageal Neoplasms / genetics
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Esophageal Neoplasms / pathology*
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Genes, p53
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Humans
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Immunohistochemistry
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Male
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Middle Aged