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Figure 1 | Breast Cancer Research

Figure 1

From: Cancer incidence in relatives of a population-based set of cases of early-onset breast cancer with a known BRCA1 and BRCA2mutation status

Figure 1

Pedigrees indicating which individuals were included in the BRCA nonassociated high-risk group. The cohort of high-risk individuals was selected based on the prevalence of at least one additional case of breast cancer apart from the index woman in those families. In these two hypothetical families, (a) and (b), individuals affected with breast cancer appear in greyish colour. Individuals included in the analyses are marked with a black dot.

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