Regional Childhood Testicular Germ Cell Tumor by Toronto Guidelines v2

**Semantic type:** Neoplastic Process

**Definition:** Tumor extension to regional lymph nodes: interaortocaval, para-aortic (periaortic), paracaval, preaortic, precaval, retroaortic, retrocaval, and along spermatic cord. (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:** - Regional Pediatric Testicular Germ Cell Tumor by Toronto Guidelines v2