| Clinical signs | Effective | Percentage (%) |
| Dysphonia | 22 | 27.5 |
| Laryngeal dyspnea | 5 | 6.25 |
| Dysphagia | 8 | 10 |
| Dysphonia + dyspnea | 17 | 21.25 |
| Dysphonia + dysphagia | 3 | 3.75 |
| Dysphagia + Dyspnea | 4 | 5 |
| Dysphagia + Dyspnea + Dysphonia | 4 | 5 |
| Odynophagia | 3 | 3.75 |
| Lymph node | 14 | 17.5 |
| Total | 80 | 100 |