Table 3. Additional mutations in KRAS mutant group.
| Additional mutations | Frequency of specimens tested (N=30)* |
|---|---|
| TP53 | 22 |
| SMAD4 | 1 |
| NBN | 1 |
| PTEN | 1 |
| None | 5 |
*, Three patients from this group had more than one mutation identified per sample.
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