Table 2. List of 16 exons of 7 genes in the present study.
| Genes | Exons |
|---|---|
| EGFR | Exons 18, 19, 20 and 21 |
| KRAS | Exons2 and 3 |
| BRAF | Exons 11 and 15 |
| PIK3CA | Exons 9 and 20 |
| ALK | Exons 23 and 25 |
| DDR2 | Exon 18 |
| PDGFRA | Exons 12, 14 and 18 |
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