Hydronephrosis, also known as stricture of ureteropelvic junction with hydronephrosis, is related to congenital anomalies of kidney and urinary tract 2 and prune belly syndrome. An important gene associated with Hydronephrosis is WFS1 (Wolframin ER Transmembrane Glycoprotein), and among its related pathways/superpathways are Pleural mesothelioma and RhoGDI Pathway. The drugs Midazolam and Hydrocortisone have been mentioned in the context of this disorder. Affiliated tissues include kidney and spinal cord, and related phenotypes are homeostasis/metabolism and growth/size/body region