| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| lung ventilation and perfusion scan | 1.81 | 0.2 | 7299 | 99 | 35 |
| lung | 0.79 | 1 | 7810 | 99 | 4 |
| ventilation | 0.8 | 0.8 | 7283 | 93 | 11 |
| and | 0.18 | 0.9 | 3061 | 67 | 3 |
| perfusion | 0.12 | 0.8 | 2960 | 92 | 9 |
| scan | 0.18 | 0.8 | 2087 | 23 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| lung ventilation and perfusion scan | 0.95 | 0.2 | 9395 | 85 |
