title: Primary carcinoma of the duodenum.
mesh_terms: D000368:Aged; D014670:Ampulla of Vater; D002277:Carcinoma / Q000175:diagnosis*; D003138:Common Bile Duct Neoplasms / Q000175:diagnosis; D003937:Diagnosis, Differential; D004379:Duodenal Neoplasms / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged