A company called Guardant recently released an FDA-approved test called Shield. It can detect signs of colorectal cancer with a simple draw of blood. "If my husband had a colonoscopy or had a ...

Dr. Curran: The options fall into three categories. There's endoscopic testing like colonoscopy, stool based tests like ...

The analysis showed that blood testing improved early diagnosis for a wide variety of cancers. Compared with standard cancer ...