Blood test is 83% accurate in detecting colorectal tumours

Most of those with colorectal cancer detected by colonoscopy had a positive cell free DNA test: study.
HealthDay News

A cell-free DNA blood-based test accurately detected colon cancer in more than 8 in 10 people confirmed to have the disease, researchers report.

The blood test has sensitivity of 83% for the detection of colorectal cancer and specificity of 90% for any advanced neoplasia, according to the US findings.