title: [Retroperitoneal fibromyxoma].
mesh_terms: D000368:Aged; D005260:Female; D005350:Fibroma; D006801:Humans; D007680:Kidney Neoplasms; D012186:Retroperitoneal Neoplasms; D013160:Splenic Neoplasms
vernacular_title: Fibromixom retroperitoneal.