title: [Primary tumors of the retroperitoneal space. Liposarcoma. 3 surgically treated cases].
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008080:Liposarcoma / Q000601:surgery*; D008722:Methods; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000601:surgery*
vernacular_title: Tumores primitovs del espacio retroperitoneal. Iposarcoma. Tres casos operados.