| Typicality: | 0.375 |
| Saliency: | 0.292 |
| from the cannula assembly | 7 | other |
| during the surgical procedure | 5 | temporal |
| at any time | 4 | temporal |
| surgeon → remove → damaged valve | 7 |
| surgeon → remove → the valve assembly | 6 |
| surgeon → remove → the valve | 4 |
| surgeon → remove → diseased valve | 3 |
| negative | neutral | positive |
| 0.145 | 0.819 | 0.035 |
| Raw frequency | 20 |
| Normalized frequency | 0.292 |
| Modifier score | 0.500 |
| Perplexity | 188.847 |