| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| main symptom of emphysema | 1.81 | 0.6 | 6905 | 68 | 25 |
| main | 1.21 | 0.4 | 9914 | 43 | 4 |
| symptom | 1.63 | 0.6 | 5180 | 56 | 7 |
| of | 0.9 | 0.5 | 7109 | 78 | 2 |
| emphysema | 1.9 | 0.6 | 6629 | 78 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| main symptom of emphysema | 0.46 | 0.4 | 394 | 17 |
