title: [Diagnosis and treatment of nonorganic retroperitoneal tumors].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local / Q000175:diagnosis / Q000601:surgery; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000601:surgery
vernacular_title: Diagnostika i lechenie zabriushinnykh neorgannykh opukholeĭ.