title: [Diagnosis and surgical treatment of primary retroperitoneal tumors].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000401:mortality / Q000601:surgery
vernacular_title: Diagnostika i khirurgicheskoe lechenie pervichnykh zabriushinnykh opukholeĭ.