Description of mutations and translocations in EGFR and ALK
| Gene | |
| EGFR | |
| Analysis performed | 209 (64.7) |
| Not analysed | 114 (35.3) |
| Mutated# | 90 (42.0) |
| Nonmutated# | 119 (58.0) |
| Mutation type¶ | |
| Exon 18 (G719X) | 0 (0) |
| Exon 19 deletion | 49 (56.2) |
| Exon 20 (S768I) | 0 (0) |
| Exon 20 (T790M) | 2 (2.3) |
| Exon 20 insertion | 3 (3.4) |
| Exon 21 (L858R) | 34 (39.1) |
| ALK | |
| Analysis performed | 80 (24.8) |
| Not analysed | 243 (75.2) |
| Translocated | 12 (15.0) |
| Nontranslocated | 68 (85.0) |
Data are presented as n (%) unless otherwise stated. #: three participants had EGFR mutations but mutation type was not recorded; ¶: two participants displayed more than one mutation.