Figure 1From: Overdiagnosis and overtreatment of breast cancer: Overdiagnosis in randomised controlled trials of breast cancer screeningRelative incidence of all breast cancers; ratios of intervention arm to control arm. (a) Randomised controlled trials with screening in the control arm. (b) Randomised controlled trials without screening in the control arm. HIP, Health Insurance Plan; NBSS, National Breast Screening Study.Back to article page