| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| normal descending thoracic aorta | 1.68 | 0.5 | 8495 | 63 | 32 |
| normal | 1.91 | 0.8 | 2031 | 19 | 6 |
| descending | 1.23 | 0.3 | 3729 | 76 | 10 |
| thoracic | 1.81 | 0.6 | 5496 | 69 | 8 |
| aorta | 0.61 | 0.1 | 8614 | 37 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| normal descending thoracic aorta diameter | 1.42 | 0.6 | 2247 | 89 |
| normal descending thoracic aorta size | 1.52 | 0.2 | 6828 | 18 |
| normal caliber descending thoracic aorta | 1.3 | 0.5 | 5875 | 84 |
| normal size descending aorta | 0.68 | 0.1 | 8373 | 80 |
| normal size thoracic aorta | 1.48 | 0.1 | 1531 | 36 |
| normal ascending thoracic aorta | 0.93 | 1 | 40 | 82 |
| diameter of ascending thoracic aorta | 1.33 | 0.7 | 7847 | 77 |
| normal descending aorta diameter | 1.09 | 0.5 | 818 | 69 |
| normal size of ascending thoracic aorta adult | 1.06 | 0.7 | 8513 | 16 |
| normal thoracic ascending aorta measurements | 0.21 | 0.2 | 8686 | 81 |
| ascending thoracic aorta size | 0.76 | 0.1 | 1775 | 98 |
