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

**Semantic type:** Neoplastic Process

**Definition:** Hematogenous metastases or spread beyond abdomen at diagnosis. (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 IV - Stage IV Pediatric Malignant Kidney Neoplasm Excluding Renal Cell Carcinoma by Toronto Guidelines v2, Children's Oncology Group (COG) Protocol