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Pathologic characteristics and molecular test results in both patients
| No. | Sample types | TTF1 (IHC) | Naspin A (IHC) | EGFR/KRAS mutations | ALK (IHC) | ALK (RT‐PCR) | ALK (FISH) | ALK (NGS) | Tumor percentage |
|---|---|---|---|---|---|---|---|---|---|
| P1 | LP | + | + | WT/WT | + | − | − (12%) | EML4‐ALK | 80 |
| P2 | LP | + | + | WT/WT | + | − | + (20%) | PRKAR1A‐ALK | 40 |
Abbreviations: LB, lymph nodes biospy; LP, lung puncture; +, positive; −, negative.
