Periampullary tumours.
D000293:Adolescent; D000328:Adult; D000368:Aged; D014670:Ampulla of Vater; D001650:Bile Duct Neoplasms / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004379:Duodenal Neoplasms / Q000175:diagnosis; D004386:Duodenum / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010180:Pancreatectomy; D010190:Pancreatic Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000601:surgery*; D011183:Postoperative Complications