KRAS Exon 4 Mutation

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A molecular genetic abnormality indicating the presence of a mutation in exon 4 of the KRAS gene.

**Synonyms:** - KRAS Exon 4 Gene Mutation - KRAS-2 Exon 4 Mutation - KRAS2 Exon 4 Mutation - c-K-ras Exon 4 Mutation - v-Ki-ras2 Kirsten Rat Sarcoma Viral Oncogene Homolog Exon 4 Mutation