Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Pedigrees of families 1 and 2. Squares and circles indicate males and females, respectively. Clear symbols indicate unaffected individuals. Arrows indicate propositus. Individuals II:4, II:7, II:10, and IV:1 in family 1 and individual III:1 in family 2 were molecularly tested. Individual II:2 in family 1 was diagnosed with cholangiocarcinoma at 71 years of age.
