| Results | Clinical signs | |||
| Cough | Chest pain | Dyspnea | fever | |
| Normal chest X-ray | 17 | 02 | / | / |
| Blunting of left and right costo-phrenic angle | / | 13 | / | / |
| Cardiomegaly | / | / | 01 | / |
| Basal infiltrate | 01 | / | / | / |
| Apical infiltrate | / | / | / | / |
| Moderate right pleural effusion + anterior superior right paratracheal opacity | 01 | 01 | 01 | 01 |