Figure 1From: Familial adenomatous polyposisRelative and approximate contributions of familial causes to the incidence of colorectal cancer. FAP - Familial adenomatous polyposis, JP - Familial juvenile polyposis, PJ - Peutz-Jeghers syndrome, HNPCC - Hereditary nonpolyposis colorectal cancer (Lynch Syndrome). Note the very small contribution of FAP to the etiology of cancer.Back to article page