No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Bile Duct Neoplasms / pathology*
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Bile Duct Neoplasms / surgery
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Biliary Tract Surgical Procedures / methods
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Carcinoma, Small Cell / pathology*
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Carcinoma, Small Cell / surgery
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Common Bile Duct*
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Female
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Humans