| during a second surgical procedure | 6 | temporal |
| concurrently | 2 | temporal |
| cell → be → implanted | 3 |
| cell → be implanted into → patient | 3 |
| cell → be sent for → implantation | 3 |
| negative | neutral | positive |
| 0.070 | 0.776 | 0.153 |
| Raw frequency | 9 |
| Normalized frequency | 0.275 |
| Modifier score | 0.500 |
| Perplexity | 339.188 |