to demonstrate correlation between occurrence of carcinoma and that of gallstone of the gallbladder and biliary tract , we reviewed the protocols of gallbladder and extrahepatic biliary duct carcinoma and cholelithiasis of 4,482 cases ( male 2,237 , female 2,245 , mean age 77.7 yr ) autopsied at the department of pathology , tokyo metropolitan geriatric hospital , during the 27 yr from 1960 to 1986 .
C0005423
biliary tract
C0008350
cholelithiasis