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©The Author(s) 2025.
World J Gastrointest Oncol. Oct 15, 2025; 17(10): 110415
Published online Oct 15, 2025. doi: 10.4251/wjgo.v17.i10.110415
Table 1 Cancer types and candidate risk factors
Cancer type
Candidate risk factors
Ref.
Intrahepatic cholangiocarcinomaLiver fluke infection (Opisthorchis, Clonorchis); chronic liver disease (HBV, HCV, cirrhosis); PSC; hepatolithiasis; exposure to thorotrast or chemicals[4,5]
Gallbladder cancerGallstones; large gallbladder polyps (> 10 mm); porcelain gallbladder; PBM; chronic Salmonella infection[4,6-9,11]
Extrahepatic cholangiocarcinomaPSC; PBM; liver fluke infection; chronic biliary inflammation or strictures[4,5,10,11]
Ampullary cancerFAP; Lynch syndrome; PBM[4,11]


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