title: Metastatic hypernephroma to the ampulla of Vater: an unusual cause of malabsorption diagnosed at endoscopic sphincterotomy.
authors.forename: J I
authors.initials: JI
authors.lastname: McKenna
authors.forename: R A
authors.initials: RA
authors.lastname: Kozarek
mesh_terms: D014670:Ampulla of Vater; D002292:Carcinoma, Renal Cell / Q000150:complications* / Q000556:secondary; D003138:Common Bile Duct Neoplasms / Q000150:complications* / Q000556:secondary; D006801:Humans; D007680:Kidney Neoplasms; D008286:Malabsorption Syndromes / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D013105:Sphincterotomy, Transduodenal