Childhood Astrocytoma by Toronto Guidelines v2 Stage

**Semantic type:** Neoplastic Process

**Definition:** A term that refers to the staging of childhood astrocytoma according to the Toronto childhood cancer staging guidelines v2. This staging system is the same for both tiers (tier 1 and 2). (Childhood cancer staging for population registries according to the Toronto Childhood Cancer Stage Guidelines - Version 2. Cancer Council Queensland and Cancer Australia: Brisbane, Australia; 2021.)

**Synonyms:** - Pediatric Astrocytoma by Toronto Guidelines v2 Stage