[Resection of the pylorus].
D004381:Duodenal Ulcer / Q000601:surgery; D005743:Gastrectomy; D006801:Humans; D008722:Methods; D011708:Pylorus / Q000601:surgery*; D013274:Stomach Neoplasms / Q000601:surgery; D013276:Stomach Ulcer / Q000601:surgery