cancer risk tested
Doctors at U.Va.s Digestive
Health Center are using DNA tests to identify people with
an increased risk for colorectal cancer because of inherited changes
in their DNA.
tests are important because, along with this cancer being the
second most deadly cancer in America, it is the only cancer that
can be almost completely prevented if cancer-causing polyps
in the colon can be removed before they become malignant.
show an almost two-fold increase in risk, 1.7 times more likely,
if just one first-degree relative [father, mother or sibling]
shows traits, said Dr. Steven Powell, assistant professor
of gastroenterology at the center.