The Boerema button.
D004940:Esophageal Stenosis / Q000601:surgery; D004932:Esophageal and Gastric Varices / Q000601:surgery; D004947:Esophagus / Q000601:surgery*; D005743:Gastrectomy; D006801:Humans; D007583:Jejunum / Q000601:surgery*; D013274:Stomach Neoplasms / Q000401:mortality / Q000601:surgery; D013525:Surgical Instruments