Truncal, selective and proximal gastric vagotomy without drainage, related to the diameter of the pyloroduodenal canal.
D004322:Drainage; D004381:Duodenal Ulcer / Q000601:surgery*; D004386:Duodenum / Q000033:anatomy & histology; D006801:Humans; D011708:Pylorus / Q000033:anatomy & histology; D013276:Stomach Ulcer / Q000601:surgery*; D014628:Vagotomy