| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| thecal sac flattening pain | 1.37 | 0.9 | 1400 | 58 | 26 |
| thecal | 1.52 | 0.2 | 2003 | 20 | 6 |
| sac | 1.96 | 0.1 | 7996 | 100 | 3 |
| flattening | 0.11 | 0.2 | 5357 | 45 | 10 |
| pain | 0.98 | 0.1 | 3389 | 80 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| thecal sac flattening pain | 1.21 | 0.4 | 6850 | 17 |
| mild flattening of thecal sac | 0.63 | 0.1 | 3606 | 34 |
| flattening of thecal sac | 0.38 | 1 | 7130 | 51 |
| flattening of the anterior thecal sac | 1.87 | 0.3 | 347 | 72 |
| flattening ventral thecal sac | 0.28 | 0.8 | 9602 | 71 |
| mild effacement of thecal sac | 1.94 | 0.9 | 4002 | 45 |
| effacement of the thecal sac symptoms | 0.97 | 0.3 | 5724 | 30 |
| severe thecal sac effacement | 1.98 | 1 | 8439 | 26 |
| disc bulge flattening thecal sac | 0.56 | 0.9 | 2768 | 76 |
| severe thecal sac narrowing | 1.45 | 0.5 | 3967 | 86 |
| mild effacement of the anterior thecal sac | 0.7 | 0.8 | 261 | 44 |
| mild thecal sac narrowing | 1.84 | 0.1 | 7143 | 34 |
| flattened ventral thecal sac | 0.31 | 0.3 | 601 | 6 |
| deformity of thecal sac | 0.16 | 0.4 | 9249 | 82 |
| mild thecal sac compression | 1.29 | 0.4 | 3771 | 92 |
