Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Apr 21, 2014
Biomarker tests help determine which drugs will and will not work. All stage IV colon and rectal cancer survivors should receive KRAS testing. Hear the story of John, a stage IV colon cancer survivor. For more information on biomarkers or KRAS testing, visit FightColorectalCancer.org.