title: [Unresectable tumors of the periampullar zone].
authors.forename: V N
authors.initials: VN
authors.lastname: Egiev
authors.forename: M N
authors.initials: MN
authors.lastname: Rudakova
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery*; D003138:Common Bile Duct Neoplasms / Q000601:surgery*; D006801:Humans; D010166:Palliative Care