Dr. Ronald M. Summers

A National Institutes of Health (NIH) doctor aims to revolutionize a notoriously unpleasant medical test to identify a leading cause of cancer death.

Dr. Ronald M. Summers, M.D., Ph.D. pioneered the virtual colonoscopy. It uses non-invasive imaging similar to a CT scan to find polyps in the colon that are the precursor to cancer. Keep reading →