Table 1.
Patient and Tumor Characteristics
| Characteristic | N (%) |
|---|---|
| Gender | |
| Male | 17 (49%) |
| Female | 18 (51%) |
| Zubrod Performance Status | |
| 0 | 9 (26%) |
| 1 | 21 (60%) |
| 2 | 5 (14%) |
| Weight Loss (past 3 months) | |
| <5% of body weight | 26 (75%) |
| 5–10% of body weight | 5 (14%) |
| >10% of body weight | 4 (11%) |
| Smoking Status at Enrollment | |
| Never | 3 (9%) |
| Former | 14 (40%) |
| Current | 18 (51%) |
| Tumor Histology | |
| Adenocarcinoma | 29 (83%) |
| Squamous Cell Carcinoma | 5 (14%) |
| Non-Small Cell NOS | 1 (3%) |
| N-stage at Enrollment | |
| N0–1 | 6 (17%) |
| N2–3 | 29 (83%) |
| Metastatic at Initial Diagnosis | |
| Yes | 32 (91%) |
| No | 3 (9%) |
| Oligometastatic at Stage IV Diagnosis | |
| Yes | 18 (51%) |
| No | 17 (49%) |
| Prior Treated Brain Metastases | |
| Yes | 13 (37%) |
| No | 22 (63%) |
| PD-L1 Tumor Proportion Score | |
| 0% | 4 (11%) |
| 1–49% | 9 (26%) |
| ≥50% | 20 (57%) |
| Unknown | 2 (6%) |
| Prior Radiation Therapy | |
| Yes | 19 (54%) |
| No | 16 (46%) |
| Prior Chemotherapy | |
| Yes | 5 (14%) |
| No | 30 (86%) |