![Story image: Blood test that detects colon cancer close to receiving FDA approval](//images-cf.news12static.com/3kqcuzntcg31/3DyVBMHSIQVck22c1R7ZpX/cb5ab60c1b68244ee8a5afc3340c5fad/f96f442d-1b25-41d6-94b1-1e759d30e0f7.jpg?fit=thumb&w=800&h=450&fm=webp)
2:08Blood test that detects colon cancer close to receiving FDA approval
Doctors and scientists say the Guardant Shield blood test could help identify more cases of colorectal cancer because people are more likely to take a blood test than undergo a colonoscopy.