Stage y-II Childhood Malignant Kidney Neoplasm Excluding Renal Cell Carcinoma by Toronto Guidelines v2, International Society of Pediatric Oncology (SIOP) Protocol

**Semantic type:** Neoplastic Process

**Definition:** Tumor extends beyond kidney but completely resected. Tumor penetrates renal capsule into perirenal fat. Tumor infiltrates the renal sinus and/or invades blood and lymphatic vessels outside renal parenchyma but is completely resected. Tumor infiltrates adjacent organs or vena cava but is completely resected. (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:** - Renal tumor (excluding renal cell carcinomas) Stage y-II - Stage y-II Pediatric Malignant Kidney Neoplasm Excluding Renal Cell Carcinoma by Toronto Guidelines v2, International Society of Pediatric Oncology (SIOP) Protocol