Skip to main content

Table 5 Additional lifetime risk of fatal cancer from radiodiagnostic examination [11]

From: Estimation of lifetime attributable risk incidence and mortality for breast cancer attributed to computed tomography of the head in the Niger Delta Region of Nigeria

Risk level Approximate additional risk of fatal cancer for an adult from the CT examination
Negligible Less than 1 in 1,000,000
Minimal 1 in 1,000,000 to 1 in 100,000
Very Low 1 in 100,000 to 1 in 10,000
Low 1 in 10,000 to 1 in 1,000
Moderate 1 in 1,000 to 1 in 500