Table 2 Mutational status in plasma and tissue
Mutational status | No. (%) | |
|---|---|---|
Plasma (N = 126) | Tissue (N = 126) | |
Wild-type | 69 (54.8) | 74 (58.7) |
KRAS mutation | 35 (27.8) | 41 (32.5) |
NRAS mutation | 1 (0.8) | 3 (2.4) |
BRAF mutation | 4 (3.2) | 3 (2.4) |
PIK3CA mutation | 4 (3.2) | 4 (3.2) |
KRAS + PIK3CA mutations | 12 (9.5) | 1 (0.9) |
NRAS + PIK3CA mutations | 1 (0.8) | 0 (0) |