| Compression Signs | Effective | Percentage |
| Isolated dysphony | 1 | 7.1 |
| Isolated dysphagia | 2 | 14.3 |
| Isolated dyspnea | 4 | 28.6 |
| Dysphagia + dyspnea | 4 | 28.6 |
| Dysphagia + dyspnea + dysphagia | 1 | 7.1 |
| Total | 25 | 85.7 |