title: [Malignant retroperitoneal fibrosis: clinical presentation as a single pelvic mass].
mesh_terms: D000230:Adenocarcinoma / Q000150:complications / Q000556:secondary*; D000368:Aged; D005260:Female; D006801:Humans; D009378:Neoplasms, Multiple Primary; D012185:Retroperitoneal Fibrosis / Q000209:etiology*; D012186:Retroperitoneal Neoplasms / Q000150:complications / Q000556:secondary*
vernacular_title: Fibrosis retroperitoneal maligna: presentación clínica como masa única pélvica.