| customarily | 4 | degree |
| as being metastatic | 3 | other |
| at the molecular level | 2 | other |
| tumor → be → described | 20 |
| tumor → be → characterized | 16 |
| negative | neutral | positive |
| 0.316 | 0.646 | 0.038 |
| Raw frequency | 36 |
| Normalized frequency | 0.403 |
| Modifier score | 0.600 |
| Perplexity | 119.745 |