No abstract available
MeSH terms
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Biliary Tract Diseases / diagnosis*
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Biliary Tract Diseases / surgery
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Biliary Tract Neoplasms / diagnosis
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Biopsy, Needle
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Diagnosis, Differential
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Endoscopy, Gastrointestinal*
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Follow-Up Studies
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Hamartoma / diagnosis*
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Hamartoma / surgery
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Humans
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Male
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Middle Aged
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Risk Assessment
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Treatment Outcome
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Ultrasonography, Doppler*