| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ventral thecal sac definition | 1.29 | 0.1 | 991 | 89 | 29 |
| ventral | 0.85 | 1 | 7030 | 7 | 7 |
| thecal | 0.87 | 0.7 | 7965 | 10 | 6 |
| sac | 1.76 | 0.3 | 45 | 11 | 3 |
| definition | 0.12 | 0.8 | 8998 | 14 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ventral thecal sac definition | 0.17 | 0.6 | 9794 | 1 |
| ventral aspect of the thecal sac | 0.5 | 0.1 | 8020 | 71 |
| right ventral thecal sac | 0.47 | 0.5 | 1527 | 59 |
| image ventral thecal sac | 1.57 | 0.3 | 8855 | 78 |
| left ventral thecal sac | 1.9 | 0.1 | 961 | 70 |
| flattened ventral thecal sac | 1.45 | 1 | 981 | 97 |
| ventral thecal sac compression | 1.28 | 0.5 | 2712 | 56 |
| ventral thecal sac deformity | 1.29 | 0.4 | 7417 | 6 |
| effaces the ventral thecal sac | 0.17 | 0.2 | 2632 | 74 |
| ventral thecal sac effacement | 1.7 | 0.7 | 6410 | 90 |
| ventral thecal sac flattening | 0.84 | 0.8 | 5795 | 78 |
| ventral thecal sac narrowing | 0.93 | 0.9 | 2771 | 31 |
| effacing the ventral thecal sac | 1.15 | 0.1 | 8143 | 17 |
| ventral thecal sac indentation | 0.11 | 0.8 | 509 | 31 |
| indented ventral thecal sac | 1.3 | 0.9 | 5529 | 11 |
