| the lumen comprising | 2 | other |
| catheter → be → tubular | 4 |
| catheter → include → tubular element | 3 |
| catheter → comprise → tubular wall | 3 |
| negative | neutral | positive |
| 0.041 | 0.897 | 0.062 |
| Raw frequency | 10 |
| Normalized frequency | 0.200 |
| Modifier score | 0.500 |
| Perplexity | 151.357 |