Table 3:
False-negative mediastinal endosonography: analysis of lymph node stations, n = 28 patients
| Mediastinal lymph node station | Positive by cervical mediastinoscopy (n = 14 patients) | Positive by thoracotomy, no cervical mediastinoscopy (n = 4 patients) | Positive by thoracotomy, despite cervical mediastinoscopy (n = 10 patients) | Total FN result endosonography (n = 28 patients) |
|---|---|---|---|---|
| 2 R | 2 | – | – | 2 |
| 2 L | 2 | – | – | 2 |
| 4 R | 7 | 1 | 4 | 12 |
| 4 L | 5 | – | 1 | 6 |
| 5 | – | 1 | 3 | 4 |
| 6 | – | – | – | – |
| 7 | 4 | 1 | 2 | 7 |
| 8 | – | – | 1 | 1 |
| 9 | – | 1 | – | 1 |
R: right; L: left; FN: false-negative.