No abstract available
MeSH terms
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Biliary Tract / pathology
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Biliary Tract Neoplasms / diagnostic imaging*
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Biliary Tract Neoplasms / pathology
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Endoscopy, Digestive System / methods*
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Humans
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Neoplasm Staging
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Pancreas / pathology
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Pancreatic Neoplasms / diagnostic imaging*
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Pancreatic Neoplasms / pathology
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Ultrasonography / methods