Table 1. Demographics and outcomes of the 39 Masaoka stage IVa patients.
| Sex, n (%) | Male: 22 (56.4) |
|---|---|
| Female: 17 (43.6) | |
| Age, mean ± SD (range, years) | 41.8 ± 12 (17–70) |
| Thymoma histological classification, n (%) | B1: 8 (20.5) |
| B2: 16 (41) | |
| B3: 6 (15.4) | |
| C: 9 (23.1) | |
| Myasthenia gravis presence, n (%) | Positive: 18 (46.2) patients |
| Negative: 21 (53.8) patients | |
| Modified Osserman–Genkins score, n (%) | Class 2: 6 (15.4) patients |
| Class 3: 9 (23.1) patients | |
| Class 4: 3 (7.7) patients | |
| Neoadjuvant treatment, n (%) | 25 (64.1) patients |
| Number of the operation, n (%) | Primary: 26 (66.6) |
| Secondary: 9 (23.1) | |
| Tertiary: 4 (10.3) | |
| Operation type, n (%) | Pleuropneumonectomy: 3 (7.7) |
| Radical pleurectomy/decortication: 19 (48.7) | |
| Local excision of the pleural/pericardial/ diaphragmatic implants: 17 (43.6) |
|
| Preferred incision, n (%) | Sternotomy: 18 (46.2) |
| Thoracotomy: 13 (33.3) | |
| (four single level, nine double level) | |
| Sternotomy + thoracoscopy: 4 (10.3) | |
| Sternotomy + thoracotomy: 4 (10.3) | |
| Complications, n (%) | 12 (30.8) patients |
| Hemorrhage: 1 (2.6) | |
| Wound infection: 3 (7.7) | |
| Pneumonia: 1 (2.6) | |
| Cardiac arrhythmia: 2 (5.1) | |
| Bronchopleural fistula: 1 (2.6) | |
| Chylothorax: 4 (10.3) | |
| Perioperative mortality, n (%) | 1 (2.6) |
| PP: 1/3 (33%) | |
| P/D: 0 | |
| LE: 0 | |
| Mean length of hospital stay (mean ± SD [range, days]) | 12.0 ± 1.5 (4–61) |
| PP: 18 ± 8.7 (13–28) | |
| P/D: 13.7 ± 12.5 (6–61) | |
| LE: 9.2 ± 3.3 (4–18) | |
| Adjuvant treatment, n (%) | 35 (89.7) patients |
| CT: 13 (33.3) | |
| RT: 8 (20.5) | |
| CT-RT: 14 (35.9) | |
PP: pleuropneumonectomy; P/D: radical pleurectomy/decortication; LE: local excision of the pleural/pericardial/diaphragmatic implants; CT: chemotherapy; RT: radiotherapy; CT + RT: chemo-radiotherapy; SD: standard deviation