title: [Retroperitoneal tumors. Study of 65 cases and literature review].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000628:therapy
vernacular_title: Tumores retroperitoneales. Estudio de 65 casos y revisión de la literatura.