EGFR NM_005228.3:c.2257_2277del21

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A deletion of 21 nucleotides from the coding sequence of the EGFR gene from position 2257 through 2277.

**Synonyms:** - EGFR c.2257_2277del21 - ERBB c.2257_2277del21 - ERBB1 c.2257_2277del21 - Epidermal Growth Factor Receptor Gene c.2257_2277del21 - HER1 c.2257_2277del21 - NM_005228.3:c.2257_2277del - NM_005228.3:c.2257_2277del21 - NM_005228.3:c.2258_2278del