Another study from the May issue of Radiology found that among patients ages 18 to 35 undergoing chest CTs and abdominal CTs for cancer, trauma and abdominal pain, the short-term risk of dying from an underlying condition was 7.1% and 3.9%, respectively, compared with long-term risk from radiation-induced cancer of 0.1%.

WSJ: New Tracking of a Patient's Radiation Exposure