| slightly | 3 | degree |
| by inflating the proximal balloon | 2 | manner |
| in order to remove a fragment | 2 | purpose |
| incision → be → enlarged | 16 |
| negative | neutral | positive |
| 0.209 | 0.733 | 0.057 |
| Raw frequency | 16 |
| Normalized frequency | 0.275 |
| Modifier score | 0.500 |
| Perplexity | 209.021 |