title: [Retroperitoneoscopy in the diagnosis of metastatic and primary retroperitoneal tumors].
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D010535:Laparoscopy / Q000379:methods*; D012004:Rectal Neoplasms; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000556:secondary
vernacular_title: Retroperitoneoskopiia v diagnostike metastaticheskikh i pervichnykh zabriushinnykh opukholeĭ.