Optic nerve tumour invasion status in retinoblastoma staging

Optic nerve tumor invasion status in retinoblastoma staging (tumor staging)

active

Code	`258285009`
Semantic tag	tumor staging
Module	international
Definition	primitive
Effective time	20020131

Synonyms

Optic nerve tumor invasion status in retinoblastoma staging

Parents (1)

258284008Stannards retinoblastoma stages tumor staging

Children (3)

421683000Optic nerve invasion stage N0 in retinoblastoma tumor staging
421655002Optic nerve invasion stage N1 in retinoblastoma tumor staging
421838003Optic nerve invasion stage N3 in retinoblastoma tumor staging