Findings indicate test to guide treatment decisions could help substantial number of patients avoid unnecessary chemotherapy without compromising outcomes
Rob Stein is a Correspondent and Senior Editor at NPR. An award-winning science journalist with over 30 years of experience, he primarily covers health and medicine, focusing on the intersections of science, health, politics, and ethics. His work includes tracking developments in genetics, cancer research, and women's health issues, and he has been featured in numerous outlets including WCBU-FM, Michigan Radio, and NPR.








