Stage IV Kidney Wilms Tumor

**Semantic type:** Neoplastic Process

**Definition:** Wilms tumor that has spread to other more distant organs, such as the lungs, liver, bones, and brain, or to lymph nodes outside the abdomen (National Wilms Tumor Study Group Staging System)

**Synonyms:** - Stage IV Kidney Nephroblastoma - Stage IV Renal Wilms Tumor - Stage IV Renal Wilms' Tumor - Stage IV Wilms Tumor - stage IV Wilms tumor