| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pneumomediastinum vs pneumopericardium | 0.23 | 0.1 | 9346 | 99 | 38 |
| pneumomediastinum | 1.4 | 0.3 | 7538 | 26 | 17 |
| vs | 0.33 | 0.2 | 726 | 65 | 2 |
| pneumopericardium | 0.49 | 0.7 | 7472 | 89 | 17 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pneumomediastinum vs pneumopericardium | 0.57 | 0.5 | 1218 | 10 |
| pneumomediastinum and pneumopericardium | 0.25 | 1 | 7400 | 85 |
