| Clinical signs | Effective | Percentage |
| Chest pain | 14 | 82.3 |
| Dyspnea | 14 | 82.3 |
| Fluid pleural effusion syndrome | 12 | 70.6 |
| Cough Fever Unsatisfactory general condition Respiratory distress syndrome General condition deterioration Mixed pleural effusion syndrome General condition satisfactory Weight loss Asymmetry of the thorax | 9 9 9 7 6 5 2 1 1 | 53 53 53 41.2 35.3 29.4 11.8 5.9 5.9 |