Stage II Childhood Malignant Kidney Neoplasm Excluding Renal Cell Carcinoma by Toronto Guidelines v2, Children's Oncology Group (COG) Protocol

**Semantic type:** Neoplastic Process

**Definition:** Tumor extends beyond kidney but completely resected. Tumor penetrates renal capsule. Tumor in lymphatics or veins of renal sinus. Tumor in renal vein with margin not involved. No nodal or hematogenous metastases. Negative margins. (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 II - Stage II Pediatric Malignant Kidney Neoplasm Excluding Renal Cell Carcinoma by Toronto Guidelines v2, Children's Oncology Group (COG) Protocol