Stage II Childhood Non-Hodgkin Lymphoma by Toronto Guidelines v2

**Semantic type:** Neoplastic Process

**Definition:** A single tumor (extranodal) with regional node involvement or two or more nodal areas on the same side (either above or below) of the diaphragm or two or more single (extranodal) tumors, with or without regional node involvement, on the same side (either above or below) of the diaphragm or a completely resected primary gastrointestinal tract tumor with or without involvement of associated mesenteric nodes only. (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:** - Non-Hodgkin lymphoma Stage II - Stage II Pediatric Non-Hodgkin Lymphoma by Toronto Guidelines v2