Imaging findings of retroperitoneal fibrosis were shown, including diffuse plaque or mass, involvement of retroperitoneal organs, most acompanied by hydronephrosis and dilatation of the ureters.

• 影像学表现为腹膜后弥漫性斑块或肿块及腹膜后脏器的受累，多伴有肾盂积水和输尿管扩张。