Table II.
Patient clinicopathological characteristics.
| Clinicopathological characteristic | PSC (n=12) | PA (n=112) | P-value |
|---|---|---|---|
| Median age, years (range) | 65 (36–79) | 69.5 (60–83) | 0.1559 |
| Sex (male/female) | 8/4 | 8/4 | 1.000 |
| ECOG PS (0–1/2-4) | 8/4 | 8/4 | 1.000 |
| Smoking history | 1.000 | ||
| Never | 5 | 5 | |
| Past/Current | 7 | 7 | |
| Clinical stage | 1.000 | ||
| IA-IIIA | 3 | 3 | |
| IIIB-IV | 9 | 9 | |
| Initial treatment | 0.5890 | ||
| Surgery | 3 | 3 | |
| Chemotherapy | 8 | 9 | |
| Radiotherapy | 0 | 0 | |
| Supportive care | 1 | 0 | |
| EGFR mutation | 0.0061 | ||
| Exon 19 deletion | 0/3 | 5/9 |
PSC, pulmonary sarcomatoid carcinoma; PA, pulmonary adenocarcinoma; ECOG PS, Eastern Cooperative Oncology Group Performance Status; EGFR, epidermal growth factor receptor.