Of the 401 CRC specimens analysed for BRAF and KRAS mutations using the MassARRAY platform, BRAF mutation was observed in three cases, with an incidence of 0.7% (3/401); KRAS mutation was detected in 100 cases, with an incidence of 24.9% (100/401) (Table 2). The gene discussed is KRAS; the disease is colorectal carcinoma.