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Central estimates of high-level, radon-associated PROFACs against cancer at different sites in the body based on cancer mortality data for persons residing in a high-level radon spa area in Japan (Mifune et al. 1992)
| PROFACa | ||
|---|---|---|
| Cancer site or type | Females | Males |
| Leukemia | 0.47 | 0.56 |
| Stomach | 0.55 | 0.60 |
| Breast | 0.74 | - |
| Lung | 0.81 | 0.53 |
| Colon/rectum | 0.86 | 0.70 |
Presumed to be associated with environmental radiation hormesis.
