Figure 2From: Mutation analysis of genes in the EGFR pathway in Head and Neck cancer patients: implications for anti-EGFR treatment responseDerivative plot (A) and difference plot (B) of the normalized high resolution melting curves of the three HNSCC samples suspected of KRAS mutation, together with two cell lines; A549 (homozygote G12S, red) and SC263 (homozygote wild type, black). All samples show an abnormal derivative plot compared to the wild type SC263 plot.Back to article page