Childhood Hepatoblastoma by Toronto Guidelines v2 Stage, Tier 2

**Semantic type:** Neoplastic Process

**Definition:** A term that refers to the staging of childhood hepatoblastoma according to the tier 2 Toronto childhood cancer staging guidelines v2. It includes localized tumors, metastatic tumors, and the PRETEXT system. (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 Hepatoblastoma by Toronto Guidelines v2 Stage, Tier 2