| Lesion of the ILN Number of branches of the ILN | Not | Yet | Total | ||
| Number | % | Number | % | ||
| Unique | 1979 | 98.66 | 27 | 1.34 | 2006 |
| Multiple | 101 | 98.06 | 2 | 1.94 | 103 |
| Total | 2080 | 98.62 | 29 | 1.38 | 2109 |