Ki-ras results in primary colorectal carcinomas and synchronous metastases compared with an associated adenoma
| Ki-ras results | |||
|---|---|---|---|
| N | Adenoma | Carcinoma | Metastasis |
| None, no mutation detected; mutation, mutation detected. | |||
| *The allele showing LOH differed between the adenoma and the other two lesions. | |||
| Adenoma and carcinoma similar (17) | |||
| 12 | None | None | None |
| 5 | Mutation | Mutation | Mutation |
| Adenoma and carcinoma different (25) | |||
| 12 | None | Mutation | Mutation |
| 8 | Mutation | None | None |
| 5 | Mutation* | Mutation* | Mutation* |