A polyp is a precursor to cancer, Goodman explained. It's an outgrowth in the colon that can be easily removed before it turns into cancer. The U.S. Department of Health is currently working on ...
Created by Guardant Health, the blood test, known as Shield, was able to detect 83% of colorectal cancers in studies but only 13% of dangerous polyps. Colonoscopies find approximately 95% of these ...