title: [Retroperitoneal neoplasms in children].
mesh_terms: D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008722:Methods; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000601:surgery
vernacular_title: Zabriushinnye novoobrazovaniia u deteĭ.