title: Regarding the article by Martignoni et al.
authors.forename: Birgir
authors.initials: B
authors.lastname: Gudjonsson
mesh_terms: D014670:Ampulla of Vater; D001646:Bile; D003138:Common Bile Duct Neoplasms / Q000401:mortality* / Q000601:surgery; D004322:Drainage; D006801:Humans; D010190:Pancreatic Neoplasms / Q000401:mortality* / Q000601:surgery; D016577:Pancreaticoduodenectomy / Q000401:mortality*; D011300:Preoperative Care; D016019:Survival Analysis