Table 1.
Clinicopathologic characteristics
| Characteristics | Primary site | Metastatic site |
| (n=8285), n (%) | (n=6743), n (%) | |
| Age, years | ||
| Median (range) | 69 (23–90) | 67 (19–90) |
| Sex | ||
| Male | 4175 (50.4) | 3424 (50.8) |
| Female | 4108 (49.6) | 3316 (49.2) |
| NA | 2 (0.02) | 3 (0.04) |
| Histologic type | ||
| Lung adenocarcinoma | 5072 (61.2) | 4578 (70.5) |
| LUSC | 2099 (25.3) | 850 (12.6) |
| NSCLC not otherwise specified | 849 (10.2) | 1062 (15.7) |
| Lung large cell neuroendocrine carcinoma | 92 (1.1) | 131 (1.9) |
| Lung adenosquamous carcinoma | 90 (1.0) | 32 (0.5) |
| Pulmonary sarcomatoid carcinoma | 53 (0.6) | 53 (0.7) |
| Lung large cell carcinoma | 21 (0.2) | 31 (0.5) |
| Pulmonary carcinosarcoma | 9 (0.1) | 6 (0.1) |
| Non-squamous NSCLC | 5942 (71.7) | 5671 (84.1) |
| TPS, % | ||
| 0 | 3513 (42.4) | 2683 (39.8) |
| 1–49 | 2416 (29.2) | 1784 (26.5) |
| ≥50 | 2356 (28.4) | 2276 (33.8) |
| Metastatic site | ||
| Lymph node | NA | 2167 (32.1) |
| Liver | NA | 765 (11.3) |
| Brain | NA | 747 (11.1) |
| Pleural fluid | NA | 520 (7.7) |
| Soft tissue | NA | 493 (7.3) |
| Bone | NA | 462 (6.9) |
| Pleura | NA | 373 (5.5) |
| Adrenal gland | NA | 231 (3.4) |
| Other | NA | 985 (14.6) |
Values in italics represent the sum of Lung adenocarcinoma, NSCLC not otherwise specified and Lung large cell carcinoma, rather than represent a different histologic subtype.
LUSC, lung squamous cell carcinoma; NA, not applicable; NSCLC, non-small cell lung cancer; TPS, tumor proportion score.