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Frequency of mutations in tumor and serum
| Wild type | Mutations in tissue (%) | Mutations in serum (%) | |
|---|---|---|---|
| KRAS Codon 12 + 13 | 195 | 98/293 (33.4) | 29/98 (29.6) |
| KRAS Codon 61 + 117 + 146 | 284 | 9/293 (3.1) | 4/9 (44.4) |
| NRAS Codon 12 + 13 + 61 | 287 | 6/293 (2.0) | 3/6 (50.0) |
| BRAF V600E | 217 | 76/293 (25.9) | 44/76 (57.9) |
| ND | — | 1 | 3 |
ND, not determined.
