[Two cases of biliary cystadenocarcinoma].
D000368:Aged; D001661:Biliary Tract Neoplasms / Q000000981:diagnostic imaging*; D003536:Cystadenocarcinoma / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography