| Route of the BENLS | Left | Right | Total | Percentage |
| Stuck to the external face of the lower constrictor of the pharynx | 13 | 15 | 28 | 82.4% |
| Member in the superior thyroid artery (ATS) | 2 | 0 | 2 | 5.8% |
| Crossing the branch of the superior thyroid artery | 2 | 2 | 4 | 11.8% |
| Total | 17 | 17 | 34 | 100% |