Congenital cartilaginous rests of the neck.
Sperling
L C
LC
D000293:Adolescent; D002356:Cartilage; D002828:Choristoma / Q000151:congenital* / Q000601:surgery; D005260:Female; D006258:Head and Neck Neoplasms / Q000151:congenital* / Q000601:surgery; D006801:Humans