title: Ivor Lewis Lecture, 1975. The advancing frontiers of oesophageal surgery.
mesh_terms: D004938:Esophageal Neoplasms; D004941:Esophagitis / Q000628:therapy; D004947:Esophagus / Q000601:surgery*; D013502:General Surgery / Q000266:history; D049673:History, 20th Century; D006801:Humans; D008722:Methods