| surgically | 8 | manner |
| by withdrawing the device | 8 | manner |
| from the vessel | 7 | other |
| clot → be → removed | 79 |
| clot → be → withdrawn | 5 |
| negative | neutral | positive |
| 0.215 | 0.703 | 0.082 |
| Raw frequency | 84 |
| Normalized frequency | 0.685 |
| Modifier score | 0.600 |
| Perplexity | 183.958 |