Updated ACS guidance suggests use in those who decline other options

(CNN) — The American Cancer Society is adding some new testing options to its screening guideline for colorectal cancers – and for the first time, that includes a blood test. Colonoscopies are still considered the gold standard for detecting ...

The American Cancer Society has added blood tests every three years as a new option for colorectal cancer screening, in addition to colonoscopy and stool tests. While invasive, colonoscopy remains the gold standard of screening, and only needs to be done ...