The Board granted service connection for the cause of the Veteran's death, attributing his end-stage cholangiocarcinoma to in-service exposure to herbicide agents, including Agent Orange.

The deciding factor: The evidence was at least in equipoise as to whether the Veteran's cholangiocarcinoma was attributable to in-service exposure to herbicide agents, and it caused or contributed substantially to his death.

Claimed conditions

end stage cholangiocarcinoma

How they argued it

Presumptive (no nexus needed)

Exposure basis

Agent Orange / herbicides

Rating assigned

None in this decision

Decision date

February 7, 2025

Citation

A25011463

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