title: [Primary retroperitoneal tumors and their treatment].
mesh_terms: D006801:Humans; D006814:Hungary; D009364:Neoplasm Recurrence, Local; D012186:Retroperitoneal Neoplasms / Q000453:epidemiology / Q000473:pathology / Q000601:surgery*
vernacular_title: A primaer retroperitonealis tumorok és gyógyításuk