NEW YORK (CBS) ― Gastrointestinal cancers are responsible for a quarter of all cancer deaths in the U.S., and are often detected too late to be treated, CBS station WCBS-TV reports.
The American Cancer Society reported that digestive tract cancers claimed the lives of almost 150 thousand Americans in 2008.
http://cbs13.com/health/dna.stool.test.2.1043242.html