Table 4. Comparison of KRAS mutation status between matched tissue and plasma samples.
| Tissue KRAS mutation | Subtotal | ||
|---|---|---|---|
| Mutant | Wild type | ||
| ctDNA KRAS mutation | |||
| Mutant | 2 | 0 | 2 |
| Wild type | 4 | 30 | 34 |
| Subtotal | 6 | 30 | 36 |
ctDNA, circulating tumor DNA
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