Table 2.
Mutation analysis of polβ in low-incidence areas
| Specimen |
Gene mutation |
|
| Carcinoma | Corresponding adjacent normal tissue | |
| N1 | 670 nt A→G | – |
| N2 | 660 nt A→G | – |
| N8 | 660 nt A→G | – |
| N16 | 613 nt A→T | – |
| N22 | 670 nt A→G | – |
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