KRAS and metastatic colorectal cancer: They are the Qiagen Therascreen EGFR RGQ Plasma PCR kit (for detection of EGFR del19 and EGFRL858R in lung cancer); Sysmex Inostics OncoBEAM RAS CRC Kit (for detection of KRAS and NRAS mutations in colorectal cancer); IdyllaTM ctKRAS Mutation Test (for detecting KRAS mutations in metastatic colorectal cancer patients), and the IdyllaTM ctNRAS-BRAF mutation test (for detecting NRAS and BRAF mutations in metastatic colorectal cancer patients) [138].