Electropherograms of the novel mutations found in this series and of wild-type samples. A) and E) KRAS exon 3 wild-type samples; B), C), D) and F) KRAS exon 3 mutations; G) BRAF exon 11 wild-type; H) BRAF exon 11 mutant sample. Fw: forward strand. Rev: reverse strand. Arrow indicates the mutational spot.