Table 1 Characteristics of the patients with clinical N1 non-small cell lung cancer
| Â | Number |
|---|---|
Sex | |
 Male | 46 |
 Female | 14 |
Age (years) | |
 Median | 70 |
 Range | 32–81 |
Histological type | |
 Adenocarcinoma | 27 |
 Squamous cell carcinoma | 27 |
 Pleomorphic carcinoma | 3 |
 Adenosquamous cell carcinoma | 2 |
 Large cell carcinoma | 1 |
Size of primary tumor (mm) | |
 Median | 35 |
 Range | 13–88 |
Clinical T status | |
 T1 | 16 |
 T2 | 29 |
 T3 | 14 |
 T4 | 1 |
CEA (ng/mL) | |
 Median | 4.8 |
 Range | 1.5–152.2 |
SCC (ng/mL) | |
 Median | 0.8 |
 Range | 0.0–19.7 |
CYFRA (ng/mL) | |
 Median | 2.48 |
 Range | 0.59–53.08 |
FDG-PET | |
 Number of patients | 35 |
 Median of SUVmax | 6 |
 Range of SUVmax | 0–22.78 |
FDG-PET/CT | |
 Number of patients | 25 |
 Median of SUVmax | 11.45 |
 Range of SUVmax | 1.90–52.60 |
Surgical approach | |
 VATS | 23 |
 Thoracotomy | 20 |
 Conversion (VATS to thoracotomy) | 17 |
Operative procedure | |
 Pneumonectomy | 7 |
 Lobectomy | 51 |
  + bronchoplasty | 3 |
  + angioplasty | 1 |
  + bronchoplasty & angioplasty | 2 |
 Segmentectomy | 2 |
Pathological T status | |
 pT1 | 15 |
 pT2 | 29 |
 pT3 | 14 |
 pT4 | 2 |
Pathological N status | |
 pN0 | 23 |
 pN1 | 22 |
 pN2 | 15 |
Pathological stage | |
 IA | 4 |
 IB | 12 |
 IIA | 14 |
 IIB | 6 |
 IIIA | 23 |
 IIIB | 1 |