Figure 1.

Associations among KRAS, BRAF, NRAS, and PIK3CA mutations. KRAS codon 12 and 13, KRAS codon 61 and 146, BRAF, and NRAS mutations were mutually exclusive. Only PIK3CA Exon 9 and 20 mutations overlapped KRAS codon 12 and 13 and BRAF mutations.

Bando et al. BMC Cancer 2013 13:405   doi:10.1186/1471-2407-13-405
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