disease arises from structure disease arises from alteration in structure blastemal cell embryonal neoplasm malignant mixed neoplasm Wilms tumor https://github.com/monarch-initiative/mondo/issues/5537 GARD:0027737 Wilms tumor (nephroblastoma) Wilms' tumor NCIT:C3267 MESH:D009396 An embryonal neoplasm characterized by the presence of epithelial, mesenchymal, and blastema components. The vast majority of cases arise from the kidney. A small number of cases with morphologic features resembling Wilms tumor of the kidney have been reported arising from the ovary and the cervix. UMLS:C0027708 Wilms tumour (nephroblastoma) MONDO:0006058 Wilms tumor MEDGEN:10221 Wilms' tumour