Figure 1.

Pedigree structure of the Iranian family with familial adenomatous polyposis. Family members with FAP are indicated with solid shading. Individuals with "question mark" had GI bleeding, and ones with "parallel line shading" had GI malignancy. Squares and circles denoted males and females, respectively. Individuals labeled with a solidus were deceased. Family members detected with APC gene deletion are indicated by with asterisks. Roman numerals indicate generations. Arrow indicates the proband (IV‐11)