Table 1.
The clinicopathological characteristics of 330 primary pulmonary lymphoepithelioma‐like carcinoma (PLELC) patients
| Variables | No. of patients | Percent (%) |
|---|---|---|
| Gender | ||
| Male | 148 | 44.8% |
| Female | 182 | 55.2% |
| Age (year) | ||
| <60 | 231 | 70.0% |
| ≥60 | 99 | 30.0% |
| Stage | ||
| I | 62 | 18.8% |
| II | 48 | 14.5% |
| III | 99 | 30.0% |
| IV | 121 | 36.7% |
| Mutation | ||
| EGFR | 5/175 | 2.9% |
| ALK | 3/140 | 2.1% |
| EBERs | 320 | |
| Negative | 1 | 0.3% |
| Positive | 319 | 99.7% |
| CK5/6 | 228 | |
| Negative | 10 | 4.4% |
| Positive | 218 | 95.6% |
| P63 | 201 | |
| Negative | 5 | 2.5% |
| Positive | 196 | 97.5% |
CK5/6, Cytokeratins 5/6; EBERs, Epstein‐Barr virus‐encoding small RNA; P63, tumor protein 63.