title: Specialization in surgical oncology: historical perspectives.
authors.forename: John S
authors.initials: JS
authors.lastname: O'Shea
mesh_terms: D004501:Education, Medical; D013502:General Surgery / Q000266:history*; D006666:History of Medicine; D049673:History, 20th Century; D006801:Humans; D008495:Medical Oncology / Q000266:history*; D009369:Neoplasms / Q000601:surgery; D012955:Societies, Medical / Q000266:history; D013038:Specialization; D014481:United States