Table III.

KRAS and NRAS analysis of plasma samples.

RAS status	No. of patients (%)
Wild-type KRAS	7 (22.58)
Mutated KRAS	22 (77.42)
Exon 2 codon 12	17 (77.27)
Exon 2 codon 13	4 (18.18)
Exon 3 codon 59	0 (0.00)
Exon 3 codon 61	0 (0.00)
Exon 4 codon 117	0 (0.00)
Exon 4 codon 146	1 (4.55)
Not informative	2
Total	31
Wild-type NRAS	24 (77.42)
Mutated NRAS	6 (22.58)
Exon 2 codon 12	2 (33.33)
Exon 2 codon 13	0 (0.00)
Exon 3 codon 59	0 (0.00)
Exon 3 codon 61	4 (66.67)
Exon 4 codon 117	0 (0.00)
Exon 4 codon 146	0 (0.00)
Not informative	1
Total	31