| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what emphysema caused by | 0.47 | 0.8 | 2330 | 41 | 24 |
| what | 0.78 | 0.5 | 9086 | 95 | 4 |
| emphysema | 0.28 | 0.6 | 2515 | 17 | 9 |
| caused | 1.55 | 0.4 | 4906 | 93 | 6 |
| by | 0.62 | 0.4 | 7026 | 2 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what emphysema caused by | 0.62 | 0.8 | 5510 | 30 |
