Epithelial Predominant Wilms' Tumor, also known as epithelial predominant kidney adenosarcoma, is related to wilms tumor 5 and wilms tumor 1, and has symptoms including abdominal pain An important gene associated with Epithelial Predominant Wilms' Tumor is B3GAT1 (Beta-1,3-Glucuronyltransferase 1). Affiliated tissues include kidney.