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The expression of several growth factors and K-ras gene mutation in bile were studied to better understand the pathogenesis and improve early diagnosis of bile duct cancers. Bile samples were collected from 12 cholangiocarcinomas (CLC), 10 ampullary cancers (APC), 3 gallbladder cancers (GBC), 7 pancreatic cancers (PNC), 9 biliary tract infection (BTI), 8 biliary stone disease (ST), and 5 normal controls...
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