| Lesion of ILN report of the ILN with the InfThyr. Art | Not | Yes | Total | ||
| number | % | number | % | ||
| Retro-vascular | 1817 | 98.91 | 20 | 1.09 | 1837 |
| Meadow and transvascular | 261 | 95.96 | 11 | 4.04 | 272 |
| Total | 2078 | 98.62 | 31 | 1.38 | 2109 |