RISING INCIDENCE OF BILIARY-TRACT CANCERS IN SHANGHAI, CHINA

Cancers of the biliary tract, including cancers of the gallbladder, ex tra-hepatic bile ducts, and ampulla of Vater, are relatively uncommon malignancies. From 1972 to 1994, biliary tract cancer was the most rap idly rising malignancy in Shanghai, China, with a 119% increase in men and 124% in women. The increase in incidence was seen for all 3 subsi tes, both sexes, and all age groups. Future studies are needed to iden tify reasons for the large increases in these rates. (C) 1998 Wiley-Li ss, Inc.(dagger)