label: Stage 0 Childhood Retinoblastoma by Toronto Guidelines v2
label_lc: stage 0 childhood retinoblastoma by toronto guidelines v2
description: The tumor is confined to the globe. Enucleation has not been performed. (The patient is treated "conservatively" with either focal therapies or chemotherapy.) (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.)