Table 1 Clinical characteristics of TCGA cohort
|  | All patients (n = 372) |
|---|---|
Age at diagnosis (years) | |
 Mean | 65 |
 Range | 38–85 |
Sex | |
 Male | 183 (49.2%) |
 Female | 189 (50.8%) |
Clinical stage | |
 I | 3 (0.8%) |
 Ia | 85 (22.9%) |
 Ib | 101 (27.2%) |
 IIa | 34 (9.1%) |
 IIb | 53 (14.2%) |
 IIIa | 55 (14.8%) |
 IIIb | 10 (2.7%) |
 IV | 25 (6.7%) |
 NA | 6 (1.6%) |
Metastasis | |
 Yes | 25 (6.7%) |
 No | 347 (93.3%) |
Overall survival | |
 Deaths | 148 (39.8%) |
 Alive | 224 (60.2%) |
Follow-up (months) | |
 Mean | 30.8 |
 Range | 0–238.3 |