| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| linac flattening filter | 0.5 | 0.9 | 3998 | 52 | 23 |
| linac | 0.59 | 0.9 | 2132 | 94 | 5 |
| flattening | 0.98 | 0.9 | 9754 | 85 | 10 |
| filter | 0.76 | 0.2 | 9790 | 4 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| linac flattening filter | 0.22 | 0.5 | 4498 | 21 |
| linac flattening filter beam hardening | 1.25 | 0.1 | 4336 | 37 |
