| easily | 4 | manner |
| except very rare stones | 3 | other |
| during routine abdominal ultrasound | 2 | temporal |
| stone → be → detected | 18 |
| stone → be → detectable | 5 |
| negative | neutral | positive |
| 0.165 | 0.787 | 0.048 |
| Raw frequency | 23 |
| Normalized frequency | 0.332 |
| Modifier score | 0.975 |
| Perplexity | 468.542 |