Screening for Genetic Risk of Breast Cancer - American Family Physician
Jan 1, 1999 - Approximately 10 to 15 percent of all breast cancers are thought to be familial and about one third of these cases are due to an inherited mutation in a BRCA1 or BRCA2 breast cancer-susceptibility gene. The lifetime incidence of breast cancer in mutation carriers is above 50 percent, ...
American Family Physician : Article
https://www.aafp.org/afp/1999/0101/p99.html
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