New Blood Test Could Be Breakthrough For Colon Cancer Detection

CBS New York

[worldnow id=9591028 width=420 height=266 type=video]

NEW YORK (CBSNewYork) — Colorectal cancer is the second leading cause of cancer deaths in the U.S., and experts say many do not undergo the colonoscopies that could dramatically reduce that number through early detection.

But as CBS 2’s Dr. Max Gomez reported Monday, a new examination that can be conducted with blood samples is making big news.

Blood tests to detect cancer have been sought after for decades. But most of the so-called biomarkers – PSA for prostate cancer or CA-125 for ovarian – go up for a lot of non-cancer reasons.

Now, companies have begun to zero in on genetic markers that are unique to cancer.

Barry Murphy has been fighting colorectal cancer, and regrets waiting to see a doctor for screening.

“By the time they did discover it, it had actually spread from my bowel to my lymph nodes, and there were…

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