label: Stage III Childhood Hodgkin Lymphoma by Toronto Guidelines v2
label_lc: stage iii childhood hodgkin lymphoma by toronto guidelines v2
description: "Involvement of lymph node regions on both sides (above and below) of the diaphragm. This may be accompanied by extra-lymphatic extension in association with adjacent lymph node involvement (i.e., local extension from a lymph node area into a nearby organ) and/or involvement of spleen. This definition applies to 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.)"