A sub-phenotype of WAGR that includes obesity, and is associated with mutation(s) in the BDNF gene. The disease is MONDO_0012913 (Wilms tumor, aniridia, genitourinary anomalies, intellectual disability, and obesity syndrome). Also known as: Wilms tumor, aniridia, genitourinary anomalies, mental retardation, and obesity syndrome, Wilms tumor-aniridia-genitourinary anomalies-intellectual disability-obesity syndrome, Wilms tumor-aniridia-genitourinary anomalies-mental retardation-obesity syndrome.