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

**Semantic type:** Neoplastic Process

**Definition:** Tumor is limited to the kidney and completely excised. Renal capsule intact, not penetrated by tumor. No tumor invasion of veins or lymphatics of renal sinus. No nodal or hematogenous metastases. No prior biopsy. 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 I - Stage I Pediatric Malignant Kidney Neoplasm Excluding Renal Cell Carcinoma by Toronto Guidelines v2, Children's Oncology Group (COG) Protocol