Displacement of the kidneys and ureters by retroperitoneal fat.
D000368:Aged; D005260:Female; D006801:Humans; D007674:Kidney Diseases / Q000000981:diagnostic imaging / Q000209:etiology*; D008068:Lipomatosis / Q000150:complications* / Q000000981:diagnostic imaging; D011859:Radiography; D012187:Retroperitoneal Space; D014515:Ureteral Diseases / Q000000981:diagnostic imaging / Q000209:etiology*