title: Free perforation of gastrojejunal ulcers after gastrectomy.
mesh_terms: D004381:Duodenal Ulcer / Q000601:surgery*; D005260:Female; D005743:Gastrectomy; D006801:Humans; D007583:Jejunum; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000601:surgery; D010439:Peptic Ulcer Perforation / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D011183:Postoperative Complications; D011859:Radiography