Table 3.
Main epidemiological and pathological data.
| Age (Years) | Mean (Range) | 66 (36–98) |
|---|---|---|
| Sex | F | 363 (40.3%) |
| M | 538 (59.7%) | |
| Smoking history | Smokers | 707 (78.5%) |
| Non-smokers | 95 (10.5%) | |
| Unknown | 99 (11%) | |
| Stage | I | 13 (1.4%) |
| II | 25 (2.8%) | |
| III | 115 (12.8%) | |
| IV | 465 (51.6%) | |
| Unknown (at the time of the histological diagnosis) | 283 (31.4%) | |
| Samples | Surgical lymph node biopsy | 52 (5.8%) |
| Surgical pleural biopsy | 48 (5.3%) | |
| Core needle biopsy | 202 (22.5%) | |
| Bronchial biopsy | 599 (66.4%) | |
| Histological type | Lung adenocarcinoma | 795 (88.2%) |
| NSCLC NOS | 91 (10.1%) | |
| Large cell carcinoma | 15 (1.7%) | |
| Tumor cellularity | Mean (Range) | 45% (15–95%) |
| Type of pathological material | Formalin fixed paraffin embedded | 872 (97%) |
| Fresh tissue | 29 (3%) |