Details of the primers used for Sanger sequencing in the present study
| Gene | Exon | Forward primer | Reverse primer |
|---|---|---|---|
| KRAS | 2 | GTGTGACATGTTCTAATATAGTCA | GAATGGTCCTGCACCAGTAA |
| KRAS | 3 | GGATTCCTACAGGAAGCAAGT | TGGCAAATACACAAAGAAAGC |
| KRAS | 4 | GGACTCTGAAGATGTACCTATGG | TCAACAAAGAAAGCCCTCCCCA |
| NRAS | 2 | ATGACTGAGTACAAACTGGT | CTCTATGGTGGGATCATATT |
| NRAS | 3 | GGTGAAACCTGTTTGTTGGA | AACCTAAAACCAACTCTTCCCA |
| NRAS | 4 | TTCCCGTTTTTAGGGAGCAGA | TGCAAACTCTTGCACAAATGC |