| typically | 11 | degree |
| for some procedures | 10 | purpose |
| in order to remove the unwanted skin | 9 | purpose |
| incision → be → required | 63 |
| incision → be → necessary | 62 |
| incision → become → necessary | 35 |
| incision → be required in → instance | 3 |
| negative | neutral | positive |
| 0.183 | 0.739 | 0.077 |
| Raw frequency | 163 |
| Normalized frequency | 0.656 |
| Modifier score | 0.246 |
| Perplexity | 57.014 |