title: Non-functioning retroperitoneal paraganglioma.
mesh_terms: D001706:Biopsy; D005260:Female; D006801:Humans; D008875:Middle Aged; D010235:Paraganglioma / Q000098:blood supply / Q000473:pathology*; D012186:Retroperitoneal Neoplasms / Q000098:blood supply / Q000473:pathology*; D012187:Retroperitoneal Space / Q000473:pathology