| Typicality: | 0.342 |
| Saliency: | 0.216 |
| to facilitate localized delivery of drug | 3 | purpose |
| catheter → be placed at → the treatment site | 4 |
| catheter → be guided to → the treatment site | 4 |
| catheter → be positioned at → a treatment site | 3 |
| negative | neutral | positive |
| 0.055 | 0.898 | 0.047 |
| Raw frequency | 11 |
| Normalized frequency | 0.216 |
| Modifier score | 0.500 |
| Perplexity | 37.956 |