No abstract available
MeSH terms
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Biliary Tract Neoplasms / pathology
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Digestive System Neoplasms / pathology*
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Humans
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Laparoscopy / methods*
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Liver Neoplasms / pathology
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Neoplasm Staging / methods*
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Pancreatic Neoplasms / pathology
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Stomach Neoplasms / pathology