Table 2 KRAS amplification and molecular subtype according to TCGA. CIN (chromsomal instable tumors); GN (genomically stable tumors); MSI (microsatellite instable tumors); EBV (Epstein-Barr virus-related tumors)
From: Amplification of KRAS and its heterogeneity in non-Asian gastric adenocarcinomas
| Â | Â | KRAS amplification | ||||||
|---|---|---|---|---|---|---|---|---|
|  |  | total (n = 470) | negative (n = 443) | positive (n = 27) | p-value | |||
TCGA | CIN | 350 | 74.5% | 326 | 73.6% | 24 | 88.9% | 0.282 |
GN | 58 | 12.3% | 55 | 12.4% | 3 | 11.1% | ||
MSI | 36 | 7.7% | 36 | 8.1% | 0 | 0.0% | ||
EBV | 24 | 5.1% | 24 | 5.4% | 0 | 0.0% | ||
not available | 2 | 0.4% | 2 | 0.5% | 0 | 0.0% | Â | |