The Board denied service connection for lung cancer and brain cancer, as well as a total disability rating based on individual unemployability (TDIU) for accrued benefits purposes.
The deciding factor: The evidence of record does not support the claim that the Veteran's diagnosed cancers were incurred in or otherwise related to an in-service event, injury, or illness, including due to his conceded in-service exposure to ionizing radiation. The medical opinions provided indicate a lack of evidence documenting any diagnosis, treatment, or complaints consistent with cancer during or immediately following service, and attribute the cancers primarily to the Veteran's smoking history.
- Claimed conditions
- lung cancer, brain cancer
- How they argued it
- Direct service connection
- Exposure basis
- None
- Rating assigned
- None in this decision
- Decision date
- December 8, 2025
- Citation
- 25014628
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