NRAS 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 NRAS gene.

**Synonyms:** - N-RAS Exon 4 Mutation - NRAS Exon 4 Gene Mutation - Neuroblastoma RAS Viral Oncogene Homolog Exon 4 Mutation