The Galleri MCED cfDNA test is designed to screen for cancer signal in asymptomatic individuals. Here, the authors analyse the real-world performance of the test in over 100,000 individuals. In agreement with clinical validation studies, they observe a 49.4% empirical positive predictive value, with 87% accuracy for cancer signal localization in the body.
- Marc Matrana
- Vershalee Shukla
- Candace Westgate