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Chronic hepatitis B infection
Malignant neoplasm of the bile duct - Chronic hepatitis B infection Factor
Last reviewed for CCPS 18 July 2007.
Preliminary questions 
37939 there is some evidence that chronic hepatitis B infection may be a factor in the development of the condition under consideration.
37942 — the veteran has established the causal connection between chronic hepatitis B infection and operational service for the clinical onset of malignant neoplasm of the bile duct.
Clinical onset and operational service