Table 2.

Type of RAS mutation detected in our study.

Gene	Exon	Codon change	Nucleotide change	Protein change	N
KRAS	2	12	GGT-GTT	p.G12V	4/57
	2	12	GGT-GAT	p.G12D	7/57
	2	12	GGT-TGT	p.G12C	3/57
	2	13	GGC-GGA	p.G13D	2/57
	4	146	GCA-ACA	p.A146T	2/57
	4	146	GCA-CCA	p.A146V	2/57
NRAS	2	12	GGT-GAT	p.G12D	1/47
	3	61	GAA-GTA	p.Q61L	1/57