Experimental Organism Malignant Renal Mesenchymal Tumor

**Semantic type:** Neoplastic Process

**Definition:** A malignant neoplasm arising from foci of atypical fibroblast-like cells in the interstitium of the outer stripe of the outer medulla of the kidney. (INHAND)

**Synonyms:** - RENAL MESENCHYMAL TUMOR, MALIGNANT