Number and Region of Suggestive Lymph Nodes on CT Compared with PET/CT
| Parameter | CT | PET/CT |
| LN total number | 85 | 289 |
| Mean size (±SD) of smallest LN metastasis per patient (mm) | 9.9 ± 2.0 | 5.8 ± 2.0 |
| Region | ||
| Common iliac | 19 | 51 |
| External iliac | 33 | 76 |
| Internal iliac | 11 | 58 |
| Paravesical | 1 | 6 |
| Presacral | 6 | 16 |
| Pararectal | 4 | 24 |
| Inguinal | 7 | |
| Paraaortic | 11 | 51 |
LN = lymph node.