{"slug":"negative-selector","tag":"negative-selector","variants":["negative-selector"],"description":"No description yet","count":1,"kinds":{"biomarker":1},"related":[{"slug":"biomarker","tag":"biomarker","shared":1},{"slug":"kras","tag":"kras","shared":1}],"records":[{"id":"ras-wild-type","kind":"biomarker","name":"RAS wild-type (extended KRAS and NRAS testing)","route":"/biomarkers/ras-wild-type/","tldr":"RAS wild-type is the absence of a mutation, and it is the result that decides whether the EGFR antibodies cetuximab and panitumumab can be given in bowel cancer. Extended testing means KRAS and NRAS exons 2, 3 and 4, not just codons 12 and 13."}]}