A new blood test called SHIELD can detect colorectal cancer with over 80% accuracy, offering a less invasive screening option for average-risk individuals. The test is not recommended for high-risk groups.
Key Points
SHIELD blood test detects colorectal cancer from circulating tumor DNA
Intended for average-risk individuals without symptoms
May increase screening compliance and lead to fewer CRC-related deaths
Pros
Less invasive than colonoscopy
Can detect colorectal cancer with over 80% accuracy