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

**Semantic type:** Neoplastic Process

**Definition:** Residual tumor or nonhematogenous metastases confined to abdomen. Involved abdominal nodes. Peritoneal contamination or tumor implant. Tumor spillage of any degree occurring before or during surgery. Gross residual tumor in abdomen. Biopsy of tumor (including fine-needle aspiration) prior to removal of kidney. Resection margins involved by tumor. (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 III - Stage III Pediatric Malignant Kidney Neoplasm Excluding Renal Cell Carcinoma by Toronto Guidelines v2, Children's Oncology Group (COG) Protocol