Gastric bezoars.
D001630:Bezoars / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000209:etiology / Q000473:pathology; D006801:Humans; D010437:Peptic Ulcer / Q000601:surgery; D011183:Postoperative Complications; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging