title: Primary malignant retroperitoneal tumours: analysis of 30 cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000970:Antineoplastic Agents / Q000627:therapeutic use; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis / Q000628:therapy; D012737:Sex Factors
chemical_list: D000970:Antineoplastic Agents