| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| mild flattening of the anterior thecal sac | 1.24 | 0.3 | 5909 | 38 | 42 |
| mild | 1.63 | 1 | 4302 | 61 | 4 |
| flattening | 0.23 | 0.6 | 7956 | 89 | 10 |
| of | 0.32 | 0.7 | 8690 | 77 | 2 |
| the | 1.05 | 0.3 | 9481 | 51 | 3 |
| anterior | 1.93 | 0.3 | 5729 | 99 | 8 |
| thecal | 1.35 | 0.9 | 9672 | 98 | 6 |
| sac | 1.94 | 0.2 | 3369 | 1 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| mild flattening of the anterior thecal sac | 1.94 | 0.1 | 8055 | 17 |
| mild flattening of thecal sac | 1.41 | 0.7 | 1219 | 26 |
| mild effacement of the anterior thecal sac | 0.47 | 1 | 1200 | 72 |
| flattening of the thecal sac | 0.9 | 0.6 | 519 | 60 |
| flattening of the ventral thecal sac | 0.76 | 1 | 2064 | 83 |
| thecal sac flattening pain | 0.75 | 0.3 | 103 | 6 |
| effacement of the anterior thecal sac | 0.55 | 0.5 | 2978 | 86 |
| minimal effacement of the anterior thecal sac | 1.88 | 0.4 | 9393 | 29 |
| anterior thecal sac deformity | 0.1 | 0.6 | 1636 | 27 |
| mild effacement of the thecal sac | 0.28 | 0.1 | 6717 | 100 |
| partial effacement of the anterior thecal sac | 1.08 | 0.6 | 7997 | 65 |
| mild thecal sac narrowing | 0.7 | 0.3 | 1022 | 51 |
| flattened ventral thecal sac | 1.77 | 1 | 7172 | 88 |
| severe narrowing of the thecal sac | 1.91 | 0.2 | 1260 | 45 |
| moderate to severe thecal sac narrowing | 0.33 | 1 | 3767 | 27 |
| moderate thecal sac narrowing | 0.9 | 0.8 | 5478 | 74 |
