Stage y-I 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 limited to kidney and completely resected. Renal capsule may be infiltrated by tumor, but tumor does not reach the outer surface. Tumor may protrude or bulge into the pelvic system or ureter but does not infiltrate. Vessel of renal sinus not involved. (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-I - Stage y-I Pediatric Malignant Kidney Neoplasm Excluding Renal Cell Carcinoma by Toronto Guidelines v2, International Society of Pediatric Oncology (SIOP) Protocol