Table 5.
Not Amplified | Amplification | Deletion | |
---|---|---|---|
K-RAS (12p12.1) |
103(89.6%) |
10(8.7%) |
2(1.7%) |
PIK3CA(3q26.3) |
77(67.0%) |
37(32.1%) |
1(0.9%) |
BRAF (7q34) | 106(92.2%) | 2(1.7%) | 7(6.1%) |
We identified copy number changes in PIK3CA, K-RAS and BRAF. PIK3CA copy number amplification was found in 37 cases (32.2%).