Worry Is Good for Breast Cancer Screening: A Study of Female Relatives from the Ontario Site of the Breast Cancer Family Registry
Table 1
Classification of familial risk to breast and/or ovarian cancer.
Familial risk group
Family history of breast and/or ovarian cancer
High
Two or more first-degree relatives with breast and/or ovarian cancer diagnosed at any age
One or more first-degree relative(s) with both breast and ovarian cancer diagnosed at any age
One or more first-degree relative(s) diagnosed with bilateral breast cancer at any age
A personal history of ovarian cancer
Moderate
A self-reported Ashkenazi Jewish background
One first-degree relative with breast cancer diagnosed before age of 40
One first-degree relative with ovarian cancer
One first-degree relative with breast cancer diagnosed after the age of 40 and two or more second-degree relatives with breast cancer diagnosed at any age
Low
One first-degree relative diagnosed with breast cancer after the age of 40