Chronic pancreatitis causing circumferential narrowing of the duodenum.
D000328:Adult; D002908:Chronic Disease; D003937:Diagnosis, Differential; D004380:Duodenal Obstruction / Q000209:etiology* / Q000601:surgery; D006801:Humans; D008297:Male; D010180:Pancreatectomy; D010190:Pancreatic Neoplasms / Q000175:diagnosis; D010195:Pancreatitis / Q000150:complications* / Q000175:diagnosis / Q000601:surgery