No abstract available
MeSH terms
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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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Bile Ducts, Intrahepatic / pathology*
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Bile Ducts, Intrahepatic / surgery
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Cholangiocarcinoma / pathology*
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Cholangiocarcinoma / surgery
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Cholangiopancreatography, Endoscopic Retrograde
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Female
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Humans
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Necrosis