Ulcers of the pyloric channel.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D011708:Pylorus / Q000000981:diagnostic imaging* / Q000601:surgery*; D011859:Radiography; D013276:Stomach Ulcer / Q000150:complications / Q000000981:diagnostic imaging* / Q000209:etiology / Q000601:surgery*