| in its permeability | 9 | other |
| in the erythropoietin production | 3 | location |
| either directly | 2 | manner |
| tumor → lead to → increase | 6 |
| tumor → cause → increase | 4 |
| tumor → result in → increase | 3 |
| negative | neutral | positive |
| 0.575 | 0.400 | 0.025 |
| Raw frequency | 13 |
| Normalized frequency | 0.238 |
| Modifier score | 0.500 |
| Perplexity | 231.759 |