label: Stage I Childhood Non-Hodgkin Lymphoma by Toronto Guidelines v2
label_lc: stage i childhood non-hodgkin lymphoma by toronto guidelines v2
description: "Involvement of a single tumor mass or nodal area, excluding the abdomen and mediastinum. (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.)"