Table 1. Patient characteristics with lung adenocarcinoma.
| Characteristics | Values |
|---|---|
| No. of patients | 20 |
| Median age, years (range) | 68 (42 to 88) |
| Sex | |
| Male | 8 (40%) |
| Female | 12 (60%) |
| Smoking status | |
| NS | 14 (70%) |
| EX | 2 (10%) |
| CS | 4 (20%) |
| T_stage | |
| 1 | 5 (25%) |
| 2 | 5 (25%) |
| 3 | 2 (10%) |
| 4 | 8 (40%) |
| N_stage | |
| 0 | 4 (20%) |
| 1 | 2 (10%) |
| 2 | 4 (20%) |
| 3 | 10 (50%) |
| M_stage | |
| 0 | 8 (40%) |
| 1 | 12 (60%) |
| AJCC_stage | |
| IA | 1 (5%) |
| IIIA | 3 (15%) |
| IIIB | 4 (20%) |
| IV | 12 (60%) |
| BALF EGFR genotype | |
| 19del | 12 (60%) |
| 19del and T790M | 1 (5%) |
| L858R | 5 (25%) |
| G719C/S768I | 1 (5%) |
| T790M (de novo) | 1 (5%) |
| Tissue type | |
| Surgical | 4 (20%) |
| Biopsy | 16 (80%) |
| BALF cytology | |
| Atypical cells | 1 (5%) |
| Positive | 9 (45%) |
| Negative | 10 (50%) |
| Tumor location | |
| Border | 2 (10%) |
| Peripheral | 8 (40%) |
| Central | 10 (50%) |
| Histologic subtype, surgical case | |
| Acinar 90% lepidic 10% | 2 |
| Acinar 30% lepidic 70% | 1 |
| Acinar 60% solid 40% | 1 |
| Spread through air spaces (STAS), surgical case | |
| Positive | 2 |
| Tumor size (cm) | 3.5±1.4 |
NS, non-smoker; EX, ex-smoker; CS, current smoker.