title: Ectopic thymic tissue.
mesh_terms: D002648:Child; D003560:Cysts / Q000175:diagnosis / Q000601:surgery*; D005260:Female; D006801:Humans; D008206:Lymphatic Diseases / Q000175:diagnosis / Q000601:surgery; D009333:Neck; D013950:Thymus Gland / Q000601:surgery*