title: [Ancillary sign of the retroperitoneal localization of neoplasms].
mesh_terms: D000008:Abdominal Neoplasms / Q000000981:diagnostic imaging; D000328:Adult; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011028:Pneumoperitoneum, Artificial / Q000379:methods; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging*
vernacular_title: Dopolnitel'nyĭ priznak zabriushinnoĭ lokalizatsii novoobrazovaniia.